NETWORKING - Finals

voice and video

Which two traffic types use the Real-Time Transport Protocol (RTP)? (Choose two.)

video

web

file transfer

voice

peer to peer

ZigBee

Which wireless technology has low-power and data rate requirements making it popular in home automation applications?

ZigBee

LoRaWAN

5G

Wi-Fi

internet

Which layer of the TCP/IP model provides a route to forward messages through an internetwork?

application

network access

internet

transport

DNS

Which type of server relies on record types such as A, NS, AAAA, and MX in order to provide services?

DNS

email

file

web

protocols developed by organizations who have control over their definition and operation

What are proprietary protocols?

protocols developed by private organizations to operate on any vendor hardware

protocols that can be freely used by any organization or vendor

protocols developed by organizations who have control over their definition and operation

a collection of protocols known as the TCP/IP protocol suite

Resolves domain names, such as cisco.com, into IP addresses.

What service is provided by DNS?

Resolves domain names, such as cisco.com, into IP addresses.

A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

Allows for data transfers between a client and a file server.

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

POP3

A client packet is received by a server. The packet has a destination port number of 110. What service is the client requesting?

DNS

DHCP

SMTP

POP3

ipconfig

What command can be used on a Windows PC to see the IP configuration of that computer?

show ip interface brief

ping

show interfaces

ipconfig

peer-to-peer

A wired laser printer is attached to a home computer. That printer has been shared so that other computers on the home network can also use the printer. What networking model is in use?

client-based

master-slave

point-to-point

peer-to-peer (P2P)

malicious software or code running on an end device

What characteristic describes a virus?

a network device that filters access and traffic coming into a network

the use of stolen credentials to access private data

an attack that slows or crashes a device or network service

malicious software or code running on an end device

audio conference, financial transactions, web page

Three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other corporate managers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?

financial transactions, web page, audio conference

audio conference, financial transactions, web page

financial transactions, audio conference, web page

audio conference, web page, financial transactions

global routing prefix
subnet ID
interface ID

subnet ID
interface ID
global routing prefix

application, transport, Internet, and network access layers

Refer to the exhibit. If Host1 were to transfer a file to the server, what layers of the TCP/IP model would be used?

only application and Internet layers

only Internet and network access layers

only application, Internet, and network access layers

application, transport, Internet, and network access layers

only application, transport, network, data link, and physical layers

application, session, transport, network, data link, and physical layers

R1: g0/0

Refer to the exhibit. The IP address of which device interface should be used as the default gateway setting of host H1?

R1: S0/0/0

R2: S0/0/1

R1: G0/0

R2: S0/0/0

An application that allows real-time chatting among remote users.

What service is provided by Internet Messenger?

An application that allows real-time chatting among remote users.

Allows remote access to network devices and servers.

Resolves domain names, such as cisco.com, into IP addresses.

Uses encryption to provide secure remote access to network devices and servers.

ARP

Refer to the exhibit. Which protocol was responsible for building the table that is shown?

DHCP

ARP

DNS

ICMP

RFI & EMI

A network administrator notices that some newly installed Ethernet cabling is carrying corrupt and distorted data signals. The new cabling was installed in the ceiling close to fluorescent lights and electrical equipment. Which two factors may interfere with the copper cabling and result in signal distortion and data corruption? (Choose two.)

crosstalk

extended length of cabling

RFI​

EMI

signal attenuation

It will send an ARP request for the MAC address of the default gateway.

A host is trying to send a packet to a device on a remote LAN segment, but there are currently no mappings in its ARP cache. How will the device obtain a destination MAC address?

(A host is trying to send a packet to a device on a remote LAN segment, but there are currently no mappings in the ARP cache. How will the device obtain a destination MAC address?)

It will send the frame and use its own MAC address as the destination.

It will send an ARP request for the MAC address of the destination device.

It will send the frame with a broadcast MAC address.

It will send a request to the DNS server for the destination MAC address.

It will send an ARP request for the MAC address of the default gateway.

DNS

A client packet is received by a server. The packet has a destination port number of 53. What service is the client requesting?

DNS

NetBIOS (NetBT)

POP3

IMAP

255.255.255.224

A network administrator is adding a new LAN to a branch office. The new LAN must support 25 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.128

255.255.255.192

255.255.255.224

255.255.255.240

malicious software or code running on an end device

What characteristic describes a Trojan horse?

malicious software or code running on an end device

an attack that slows or crashes a device or network service

the use of stolen credentials to access private data

a network device that filters access and traffic coming into a network

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

What service is provided by HTTPS?

Uses encryption to provide secure remote access to network devices and servers.

Resolves domain names, such as cisco.com, into IP addresses.

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

Allows remote access to network devices and servers.

The data flow is being tracked based on the source port number that is used by each application.

A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?

The data flow is being tracked based on the destination MAC address of the technician PC.

The data flow is being tracked based on the source port number that is used by each application.

The data flow is being tracked based on the source IP address that is used by the PC of the technician.

The data flow is being tracked based on the destination IP address that is used by the PC of the technician.

255.255.255.192

A network administrator is adding a new LAN to a branch office. The new LAN must support 61 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.240

255.255.255.224

255.255.255.192

255.255.255.128

an attack that slows or crashes a device or network service

What characteristic describes a DoS attack?

the use of stolen credentials to access private data

a network device that filters access and traffic coming into a network

software that is installed on a user device and collects information about the user

an attack that slows or crashes a device or network service

TCP - FTP, HTTP, SMTP
UDP - DHCP, TFTP

Match the application protocols to the correct transport protocols

Allows clients to send email to a mail server and the servers to send email to other servers.

What service is provided by SMTP?

Allows clients to send email to a mail server and the servers to send email to other servers.

Allows remote access to network devices and servers.

Uses encryption to provide secure remote access to network devices and servers.

An application that allows real-time chatting among remote users.

A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window.

Which scenario describes a function provided by the transport layer?

A student is using a classroom VoIP phone to call home. The unique identifier burned into the phone is a transport layer address used to contact another network device on the same network.

A student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header.

A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window.

A corporate worker is accessing a web server located on a corporate network. The transport layer formats the screen so the web page appears properly no matter what device is being used to view the web site.

Layer 2 destination address = 00-00-0c-94-36-ab

Layer 2 source address = 00-00-0c-94-36-bb

Layer 3 destination address = 172.16.20.200

Layer 3 source address = 172.16.10.200

Refer to the exhibit. Host B on subnet Teachers transmits a packet to host D on subnet Students. Which Layer 2 and Layer 3 addresses are contained in the PDUs that are transmitted from host B to the router?

Layer 2 destination address = 00-00-0c-94-36-ab

Layer 2 source address = 00-00-0c-94-36-bb

Layer 3 destination address = 172.16.20.200

Layer 3 source address = 172.16.10.200

Layer 2 destination address = 00-00-0c-94-36-dd

Layer 2 source address = 00-00-0c-94-36-bb

Layer 3 destination address = 172.16.20.200

Layer 3 source address = 172.16.10.200

Layer 2 destination address = 00-00-0c-94-36-cd

Layer 2 source address = 00-00-0c-94-36-bb

Layer 3 destination address = 172.16.20.99

Layer 3 source address = 172.16.10.200

Layer 2 destination address = 00-00-0c-94-36-ab

Layer 2 source address = 00-00-0c-94-36-bb

Layer 3 destination address = 172.16.20.200

Layer 3 source address = 172.16.100.200

loss of signal strength as distance increases

What does the term “attenuation” mean in data communication?

strengthening of a signal by a networking device

leakage of signals from one cable pair to another

time for a signal to reach its destination

loss of signal strength as distance increases

The administrator must first enter privileged EXEC mode before issuing the command.

Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?

The entire command, configure terminal, must be used.

The administrator is already in global configuration mode.

The administrator must first enter privileged EXEC mode before issuing the command.

The administrator must connect via the console port to access global configuration mode.

POP, DNS

Which two protocols operate at the top layer of the TCP/IP protocol suite? (Choose two.)

TCP

IP

UDP

POP

DNS

Ethernet

authorization

A company has a file server that shares a folder named Public. The network security policy specifies that the Public folder is assigned Read-Only rights to anyone who can log into the server while the Edit rights are assigned only to the network admin group. Which component is addressed in the AAA network service framework?

automation

accounting

authentication

authorization

message size, message encoding, delivery options

What three requirements are defined by the protocols used in network communications to allow message transmission across a network? (Choose three.)

message size

message encoding

connector specifications

media selection

delivery options

end-device installation

does not require a dedicated end-to-end connection

operates independently of the network media

What are two characteristics of IP? (Choose two.)

does not require a dedicated end-to-end connection

operates independently of the network media

retransmits packets if errors occur

re-assembles out of order packets into the correct order at the receiver end

guarantees delivery of packets

security, quality of service, fault tolerance

An employee of a large corporation remotely logs into the company using the appropriate username and password. The employee is attending an important video conference with a customer concerning a large sale. It is important for the video quality to be excellent during the meeting. The employee is unaware that after a successful login, the connection to the company ISP failed. The secondary connection, however, activated within seconds. The disruption was not noticed by the employee or other employees.

What three network characteristics are described in this scenario? (Choose three.)

security

quality of service

scalability

powerline networking

integrity

fault tolerance

improper termination, low-quality cable or connectors

What are two common causes of signal degradation when using UTP cabling? (Choose two.)

improper termination

low-quality shielding in cable

installing cables in conduit

low-quality cable or connectors

loss of light over long distances

192.168.1.64/26

Which subnet would include the address 192.168.1.96 as a usable host address?

192.168.1.64/26

192.168.1.32/27

192.168.1.32/28

192.168.1.64/29

There are 4 hops between this device and the device at 192.168.100.1.

There is connectivity between this device and the device at 192.168.100.1.

Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)

This host does not have a default gateway configured.

There are 4 hops between this device and the device at 192.168.100.1.

There is connectivity between this device and the device at 192.168.100.1.

The connectivity between these two hosts allows for videoconferencing calls.

The average transmission time between the two hosts is 2 milliseconds.

Capture traffic during peak utilization times to get a good representation of the different traffic types.

Perform the capture on different network segments.

Which two statements describe how to assess traffic flow patterns and network traffic types using a protocol analyzer? (Choose two.)

Capture traffic on the weekends when most employees are off work.

Capture traffic during peak utilization times to get a good representation of the different traffic types.

Only capture traffic in the areas of the network that receive most of the traffic such as the data center.

Perform the capture on different network segments.

Only capture WAN traffic because traffic to the web is responsible for the largest amount of traffic on a network.

The IPv6 enabled router interfaces begin sending ICMPv6 Router Advertisement messages.

What is the consequence of configuring a router with the ipv6 unicast-routing global configuration command?​

All router interfaces will be automatically activated.

The IPv6 enabled router interfaces begin sending ICMPv6 Router Advertisement messages.

Each router interface will generate an IPv6 link-local address.​

It statically creates a global unicast address on this router.​

application, session, presentation

Which three layers of the OSI model map to the application layer of the TCP/IP model? (Choose three.)

application

network

data link

session

presentation

transport

remove the Ethernet header and configure a new Layer 2 header before sending it out S0/0/0

Refer to the exhibit. If PC1 is sending a packet to PC2 and routing has been configured between the two routers, what will R1 do with the Ethernet frame header attached by PC1?

nothing, because the router has a route to the destination network

open the header and use it to determine whether the data is to be sent out S0/0/0

open the header and replace the destination MAC address with a new one

remove the Ethernet header and configure a new Layer 2 header before sending it out S0/0/0

The host cannot communicate with hosts in other networks.

What will happen if the default gateway address is incorrectly configured on a host?

The host cannot communicate with other hosts in the local network.

The host cannot communicate with hosts in other networks.

A ping from the host to 127.0.0.1 would not be successful.

The host will have to use ARP to determine the correct address of the default gateway.

The switch will not forward packets initiated by the host.

If a device receiving an ARP request has the destination IPv4 address, it responds with an ARP reply.

If a host is ready to send a packet to a local destination device and it has the IP address but not the MAC address of the destination, it generates an ARP broadcast.

What are two features of ARP? (Choose two.)

When a host is encapsulating a packet into a frame, it refers to the MAC address table to determine the mapping of IP addresses to MAC addresses.

An ARP request is sent to all devices on the Ethernet LAN and contains the IP address of the destination host and its multicast MAC address.

If a host is ready to send a packet to a local destination device and it has the IP address but not the MAC address of the destination, it generates an ARP broadcast.

If no device responds to the ARP request, then the originating node will broadcast the data packet to all devices on the network segment.

If a device receiving an ARP request has the destination IPv4 address, it responds with an ARP reply.

255.255.255.128

A network administrator is adding a new LAN to a branch office. The new LAN must support 90 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.128

255.255.255.240

255.255.255.248

255.255.255.224

neighbor solicitation, router advertisement

What are two ICMPv6 messages that are not present in ICMP for IPv4? (Choose two.)

Neighbor Solicitation

Destination Unreachable

Host Confirmation

Time Exceeded

Router Advertisement

Route Redirection

HTTP

A client packet is received by a server. The packet has a destination port number of 80. What service is the client requesting?

DHCP

SMTP

DNS

HTTP

Messages are kept in the mail servers until they are manually deleted from the email client.

What is an advantage for small organizations of adopting IMAP instead of POP?

POP only allows the client to store messages in a centralized way, while IMAP allows distributed storage.

Messages are kept in the mail servers until they are manually deleted from the email client.

When the user connects to a POP server, copies of the messages are kept in the mail server for a short time, but IMAP keeps them for a long time.

IMAP sends and retrieves email, but POP only retrieves email.

nslookup

A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?

tracert

ipconfig

netstat

nslookup

The switch can be remotely managed from a host on another network.

The global configuration command ip default-gateway 172.16.100.1 is applied to a switch. What is the effect of this command?

The switch can communicate with other hosts on the 172.16.100.0 network.

The switch can be remotely managed from a host on another network.

The switch is limited to sending and receiving frames to and from the gateway 172.16.100.1.

The switch will have a management interface with the address 172.16.100.1.

Communication between the switch and remote users is encrypted.

What happens when the transport input ssh command is entered on the switch vty lines?

The SSH client on the switch is enabled.

The switch requires a username/password combination for remote access.

Communication between the switch and remote users is encrypted.

The switch requires remote connections via a proprietary client software.

reconnaissance

A disgruntled employee is using some free wireless networking tools to determine information about the enterprise wireless networks. This person is planning on using this information to hack the wireless network. What type of attack is this?

DoS

access

reconnaissance

Trojan horse

A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

What service is provided by HTTP?

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

Allows for data transfers between a client and a file server.

An application that allows real-time chatting among remote users.

A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

DHCP

A client packet is received by a server. The packet has a destination port number of 67. What service is the client requesting?

FTP

DHCP

Telnet

SSH

The ARP request is sent as a broadcast, and will flood the entire subnet.

All ARP request messages must be processed by all nodes on the local network.

What are two problems that can be caused by a large number of ARP request and reply messages? (Choose two.)

Switches become overloaded because they concentrate all the traffic from the attached subnets.

The ARP request is sent as a broadcast, and will flood the entire subnet.

The network may become overloaded because ARP reply messages have a very large payload due to the 48-bit MAC address and 32-bit IP address that they contain.

A large number of ARP request and reply messages may slow down the switching process, leading the switch to make many changes in its MAC table.

All ARP request messages must be processed by all nodes on the local network.

ping, ipconfig, nslookup

A group of Windows PCs in a new subnet has been added to an Ethernet network. When testing the connectivity, a technician finds that these PCs can access local network resources but not the Internet resources. To troubleshoot the problem, the technician wants to initially confirm the IP address and DNS configurations on the PCs, and also verify connectivity to the local router. Which three Windows CLI commands and utilities will provide the necessary information? (Choose three.)

netsh interface ipv6 show neighbor

arp -a

tracert

ping

ipconfig

nslookup

telnet

switch the packet to the directly connected interface

During the process of forwarding traffic, what will the router do immediately after matching the destination IP address to a network on a directly connected routing table entry?

analyze the destination IP address

switch the packet to the directly connected interface

look up the next-hop address for the packet

discard the traffic after consulting the route table

applications that protect end devices from becoming infected with malicious software

What characteristic describes antispyware?

applications that protect end devices from becoming infected with malicious software

a network device that filters access and traffic coming into a network

software on a router that filters traffic based on IP addresses or applications

a tunneling protocol that provides remote users with secure access into the network of an organization

SSH

A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?

Telnet

AUX

SSH

Console

Update the operating system and other application software.

Install and update antivirus software.

What are the two most effective ways to defend against malware? (Choose two.)

Implement a VPN.

Implement network firewalls.

Implement RAID.

Implement strong passwords.

Update the operating system and other application software.

Install and update antivirus software.

Trojan horse

Which type of security threat would be responsible if a spreadsheet add-on disables the local software firewall?

brute-force attack

Trojan horse

DoS

buffer overflow

frame check sequence field

Which frame field is created by a source node and used by a destination node to ensure that a transmitted data signal has not been altered by interference, distortion, or signal loss?

User Datagram Protocol field

transport layer error check field

flow control field

frame check sequence field

error correction process field

255.255.255.248

A network administrator is adding a new LAN to a branch office. The new LAN must support 4 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.248

255.255.255.0

255.255.255.128

255.255.255.192

Retrieves email from the server by downloading the email to the local mail application of the client.

What service is provided by POP3?

Retrieves email from the server by downloading the email to the local mail application of the client.

An application that allows real-time chatting among remote users.

Allows remote access to network devices and servers.

Uses encryption to provide secure remote access to network devices and servers.

virtual private networks

intrusion prevention systems

What two security solutions are most likely to be used only in a corporate environment? (Choose two.)

antispyware

virtual private networks

intrusion prevention systems

strong passwords

antivirus software

applications that protect end devices from becoming infected with malicious software

What characteristic describes antivirus software?

applications that protect end devices from becoming infected with malicious software

a network device that filters access and traffic coming into a network

a tunneling protocol that provides remote users with secure access into the network of an organization

software on a router that filters traffic based on IP addresses or applications

It decrements the value of the TTL field by 1 and if the result is 0, it discards the packet and sends a Time Exceeded message to the source host.

What mechanism is used by a router to prevent a received IPv4 packet from traveling endlessly on a network?

It checks the value of the TTL field and if it is 0, it discards the packet and sends a Destination Unreachable message to the source host.

It checks the value of the TTL field and if it is 100, it discards the packet and sends a Destination Unreachable message to the source host.

It decrements the value of the TTL field by 1 and if the result is 0, it discards the packet and sends a Time Exceeded message to the source host.

It increments the value of the TTL field by 1 and if the result is 100, it discards the packet and sends a Parameter Problem message to the source host.

TFTP

A client packet is received by a server. The packet has a destination port number of 69. What service is the client requesting?

DNS

DHCP

SMTP

TFTP

Configure the IP domain name on the router.

Generate the SSH keys.

Enable inbound vty SSH sessions.

An administrator defined a local user account with a secret password on router R1 for use with SSH. Which three additional steps are required to configure R1 to accept only encrypted SSH connections? (Choose three.)

Configure DNS on the router.

Generate two-way pre-shared keys.

Configure the IP domain name on the router.

Generate the SSH keys.

Enable inbound vty SSH sessions.

Enable inbound vty Telnet sessions.

all IPv6 configured routers on the local link​

An IPv6 enabled device sends a data packet with the destination address of FF02::2. What is the target of this packet?​

all IPv6 enabled devices on the local link​

all IPv6 DHCP servers​

all IPv6 enabled devices across the network​

all IPv6 configured routers on the local link​

subnet ID, global routing prefix, interface ID

What are the three parts of an IPv6 global unicast address? (Choose three.)

subnet ID

subnet mask

broadcast address

global routing prefix

interface ID

interference, security, coverage area

A network administrator is designing the layout of a new wireless network. Which three areas of concern should be accounted for when building a wireless network? (Choose three.)

extensive cabling

mobility options

packet collision

interference

security

coverage area

Exit privileged EXEC mode and press Enter

A new network administrator has been asked to enter a banner message on a Cisco device. What is the fastest way a network administrator could test whether the banner is properly configured?

Enter CTRL-Z at the privileged mode prompt.

Exit global configuration mode.

Power cycle the device.

Reboot the device.

Exit privileged EXEC mode and press Enter .

CSMA/CA

What method is used to manage contention-based access on a wireless network?

token passing

CSMA/CA

priority ordering

CSMA/CD

provides for the exchange of frames over a common local media

What is a function of the data link layer?

provides the formatting of data

provides end-to-end delivery of data between hosts

provides delivery of data between two applications

provides for the exchange of frames over a common local media

to request that a source decrease the rate at which it transmits data

What is the purpose of the TCP sliding window?

to ensure that segments arrive in order at the destination

to end communication when data transmission is complete

to inform a source to retransmit data from a specific point forward

to request that a source decrease the rate at which it transmits data

software that is installed on a user device and collects information about the user

What characteristic describes spyware?

a network device that filters access and traffic coming into a network

software that is installed on a user device and collects information about the user

an attack that slows or crashes a device or network service

the use of stolen credentials to access private data

store-and-forward switching

Which switching method drops frames that fail the FCS check?

store-and-forward switching

borderless switching

ingress port buffering

cut-through switching

FE80::/10

Which range of link-local addresses can be assigned to an IPv6-enabled interface?

FEC0::/10

FDEE::/7

FE80::/10

FF00::/8

What service is provided by FTP?

A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

An application that allows real-time chatting among remote users.

Allows for data transfers between a client and a file server.

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

Allows for data transfers between a client and a file server.

DNS server, default gateway

A user is attempting to access http://www.cisco.com/ without success. Which two configuration values must be set on the host to allow this access? (Choose two.)

DNS server

source port number

HTTP server

source MAC address

default gateway

NAT introduces problems for some applications that require end-to-end connectivity.

NAT provides a solution to slow down the IPv4 address depletion.

Which two statements accurately describe an advantage or a disadvantage when deploying NAT for IPv4 in a network? (Choose two.)

NAT adds authentication capability to IPv4.

NAT introduces problems for some applications that require end-to-end connectivity.

NAT will impact negatively on switch performance.

NAT provides a solution to slow down the IPv4 address depletion.

NAT improves packet handling.

NAT causes routing tables to include more information.

1E6F:65FF:FEC2:BDF8

What would be the interface ID of an IPv6 enabled interface with a MAC address of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64 process?

0C6F:65FF:FEC2:BDF8

1E6F:65FF:FEC2:BDF8

C16F:65FF:FEC2:BDF8

106F:65FF:FEC2:BDF8

PC2 will send an ARP reply with the PC2 MAC address.

Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC2. In this scenario, what will happen next?

SW1 will send an ARP reply with the SW1 Fa0/1 MAC address.​

SW1 will send an ARP reply with the PC2 MAC address.​

PC2 will send an ARP reply with the PC2 MAC address.

RT1 will send an ARP reply with the RT1 Fa0/0 MAC address.​

RT1 will send an ARP reply with the PC2 MAC address.​

Legacy application that enables a diskless workstation to discover its own IP address and find a BOOTP server on the network.

What service is provided by BOOTP?

Uses encryption to secure the exchange of text, graphic images, sound, and video on the web.

Allows for data transfers between a client and a file server.

Legacy application that enables a diskless workstation to discover its own IP address and find a BOOTP server on the network.

A basic set of rules for exchanging text, graphic images, sound, video, and other multimedia files on the web.

software that is installed on a user device and collects information about the user

What characteristic describes adware?

a network device that filters access and traffic coming into a network

software that is installed on a user device and collects information about the user

the use of stolen credentials to access private data

an attack that slows or crashes a device or network service

store-and-forward

When a switch configuration includes a user-defined error threshold on a per-port basis, to which switching method will the switch revert when the error threshold is reached?

cut-through

store-and-forward

fast-forward

fragment-free

accessing the media

data encapsulation

What are two primary responsibilities of the Ethernet MAC sublayer? (Choose two.)

error detection

frame delimiting

accessing the media

data encapsulation

logical addressing

The switch can be remotely managed.

One device is attached to a physical interface.
The default SVI has been configured.

Refer to the exhibit. What three facts can be determined from the viewable output of the show ip interface brief command? (Choose three.)

Two physical interfaces have been configured.

The switch can be remotely managed.

One device is attached to a physical interface.

Passwords have been configured on the switch.

Two devices are attached to the switch.

The default SVI has been configured.

2001:DA48:FC5:A4::/64​

What is the subnet ID associated with the IPv6 address 2001:DA48:FC5:A4:3D1B::1/64?

2001:DA48::/64​

2001:DA48:FC5::A4:/64​

2001:DA48:FC5:A4::/64​

2001::/64

the network performance baseline

Users are reporting longer delays in authentication and in accessing network resources during certain time periods of the week. What kind of information should network engineers check to find out if this situation is part of a normal network behavior?

syslog records and messages

the network performance baseline

debug output and packet captures

network configuration files

It encrypts passwords that are stored in router or switch configuration files.

How does the service password-encryption command enhance password security on Cisco routers and switches?

It requires encrypted passwords to be used when connecting remotely to a router or switch with Telnet.

It encrypts passwords that are stored in router or switch configuration files.

It requires that a user type encrypted passwords to gain console access to a router or switch.

It encrypts passwords as they are sent across the network.

The Source Address field name from IPv4 is kept in IPv6.

The Time-to-Live field from IPv4 has been replaced by the Hop Limit field in IPv6.

Which two statements are correct in a comparison of IPv4 and IPv6 packet headers? (Choose two.)

The Source Address field name from IPv4 is kept in IPv6.

The Version field from IPv4 is not kept in IPv6.

The Destination Address field is new in IPv6.

The Header Checksum field name from IPv4 is kept in IPv6.

The Time-to-Live field from IPv4 has been replaced by the Hop Limit field in IPv6.

255.255.255.224

A network administrator wants to have the same network mask for all networks at a particular small site. The site has the following networks and number of devices:

IP phones – 22 addresses

PCs – 20 addresses needed

Printers – 2 addresses needed

Scanners – 2 addresses needed

The network administrator has deemed that 192.168.10.0/24 is to be the network used at this site. Which single subnet mask would make the most efficient use of the available addresses to use for the four subnetworks?

255.255.255.192

255.255.255.252

255.255.255.240

255.255.255.248

255.255.255.0

255.255.255.224

use of stolen credentials to access private data

What characteristic describes identity theft?

the use of stolen credentials to access private data

software on a router that filters traffic based on IP addresses or applications

software that identifies fast-spreading threats

a tunneling protocol that provides remote users with secure access into the network of an organization

255.255.255.0

A network administrator is adding a new LAN to a branch office. The new LAN must support 200 connected devices. What is the smallest network mask that the network administrator can use for the new network?

255.255.255.240

255.255.255.0

255.255.255.248

255.255.255.224

cable lengths, pinouts, connector types

What are three commonly followed standards for constructing and installing cabling? (Choose three.)

cost per meter (foot)

cable lengths

connector color

pinouts

connector types

tensile strength of plastic insulator

The untwisted length of each wire is too long.

Refer to the exhibit. What is wrong with the displayed termination?

The woven copper braid should not have been removed.

The wrong type of connector is being used.

The untwisted length of each wire is too long.

The wires are too thick for the connector that is used.

IMAP

A client packet is received by a server. The packet has a destination port number of 143. What service is the client requesting?

IMAP

FTP

SSH

Telnet