CISCO CCNA introductions FINAL exam

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

voice; video

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

ZigBee

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

internet

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

DNS

What are proprietary protocols?

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

What service is provided by DNS?

Resolves domain names into IP addresses.

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

POP3

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

ipconfig

A wired printer is shared so others can use it. What networking model is in use?

peer-to-peer (P2P)

What characteristic describes a virus?

malicious software or code running on an end device

sort these QoS priorities from highest to lowest
web page
audio conference,

financial transactions,

audio conference; financial transactions; web page

Match the description to the IPv6 addressing component

subnet ID

global routing

interface ID

This network portion of the address is assigned by the provider.
This part of the address is used by an organization to identify subnets.
This part of the address is the equivalent to the host portion of an IPv4 address.

This network portion of the address is assigned by the provider.	global routing
This part of the address is used by an organization to identify subnets.	subnet ID
This part of the address is the equivalent to the host portion of an IPv4 address.	interface ID

If Host1 transfers a file to a server, what TCP/IP layers are used?

application; transport; internet; network access

Characteristics cut through and store and forward

cut-through: low latency; may forward runt frames; begins forwarding when destination address is received.

store-and-forward: always stores entire frame; checks CRC before forwarding; checks frame length before forwarding.

Which device interface IP should be used as default gateway of host H1?

R1: G0/0

What service is provided by Internet Messenger?

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

match het juiste netwerk bij de juiste ip adressen


192.168.0.0/26;

192.168.0.128/25;

192.168.0.80/30

192.168.0.96/27;

A: 192.168.0.128/25;

B: 192.168.0.0/26;

C: 192.168.0.96/27;

D: 192.168.0.80/30

Which protocol built the shown table (arp -a output)?

ARP

Which two factors may interfere with copper cabling near fluorescent lights and electrical equipment? (Choose two.)

EMI; RFI

Host sends something to a remote LAN with an empty ARP cache. How to obtain destination MAC?

Send an ARP request for the MAC address of the default gateway.

Destination port 53 received by a server. What service?

DNS

New LAN must support 25 devices. Smallest subnet mask?

255.255.255.224

What characteristic describes a Trojan horse?

malicious software hidden inside legitimate software

What service is provided by HTTPS?

Uses encryption to secure the exchange of web content.

How does a PC keep track of data flows between multiple application sessions to the Internet?

By using unique source port numbers per session.

New LAN must support 61 devices. Smallest network mask?

255.255.255.192

What characteristic describes a DoS attack?

an attack that slows or crashes a device or network service

Match application protocols to transport protocols.(TCP en UDP

What service is provided by SMTP?

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

Which scenario describes a transport layer function?

Two browser windows open; transport layer ensures correct data to correct window (port numbers).

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

What does 'attenuation' mean?

loss of signal strength as distance increases

Switch shows error when entering 'config t'. What is the problem?

The administrator must first enter privileged EXEC mode.

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

DNS; POP

AAA component addressed when rights are read-only vs edit to admin group?

authorization

Three requirements defined by protocols for message transmission? (Choose three.)

message size; message encoding; delivery options

Two characteristics of IP? (Choose two.)

does not require a dedicated end-to-end connection; operates independently of the network media

Which three network characteristics are present: credentials used, excellent video during ISP failover? (Choose three.)

security; quality of service; fault tolerance

Two common causes of signal degradation with UTP? (Choose two.)

improper termination; low-quality cable or connectors

Which subnet includes 192.168.1.96 as usable host?

192.168.1.64/26

Ping output shows connectivity to 192.168.100.1. Which two 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.

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.

How to assess traffic with protocol analyzer? (Choose two.)

Capture during peak times; Capture on different network segments

Consequence of 'ipv6 unicast-routing' on a router?

Interfaces begin sending ICMPv6 Router Advertisements.

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

application; presentation; session

What will R1 do with Ethernet header from PC1 when forwarding out serial?

Remove Ethernet header and build new Layer 2 header for outgoing interface.

Effect if default gateway is incorrectly configured on a host?

Host cannot communicate with hosts in other networks.

Two features of ARP? (Choose two.)

Send ARP broadcast if MAC unknown for local IP; Device with target IP sends ARP reply

New LAN must support 90 devices. Smallest mask?

255.255.255.128

Two ICMPv6 messages not in ICMPv4? (Choose two.)

Neighbor Solicitation; Router Advertisement

Destination port 80. What service?

HTTP

Advantage of IMAP over POP?

Messages are kept on the server until manually deleted from client.

Can ping IP but not URL. Which utility?

nslookup

Two LLC sublayer functions? (Choose two.)

Identify Layer 3 protocol in the frame; Enable IPv4 and IPv6 to share the same medium

Effect of 'ip default-gateway ' on a switch?

Allows remote management from another network.

Effect of 'transport input ssh' on vty lines?

Encrypts remote management sessions (SSH only).

Match threat type to cause: electrical, hardware, environmental, maintenance.

electrical: spikes/brownouts/noise/power loss;

hardware: physical damage;

environmental: temp/humidity extremes;

maintenance: poor handling/ESD, lack of spares, poor cabling/labeling

Planning to hack by gathering wireless info. Type of attack?

reconnaissance

What service is provided by HTTP?

Basic rules for exchanging web content.

Destination port 67. What service?

DHCP

Two ARP-related problems when many ARP messages occur? (Choose two.)

All nodes must process ARP requests; Switch floods ARP broadcasts across the subnet

Windows commands/utilities to confirm IP/DNS and gateway connectivity? (Choose three.)

ipconfig; ping; nslookup

Forwarding traffic: after matching to directly connected network, router will…

switch the packet to the directly connected interface

What describes antispyware?

applications that protect devices from spyware

Which access method keeps credentials and session private for remote CLI?

SSH

Two most effective defenses against malware? (Choose two.)

Install and update antivirus; Keep OS and apps updated

Security threat where add-on disables firewall?

Trojan horse

Frame field used to ensure data not altered?

FCS (frame check sequence)

New LAN must support 4 devices. Smallest mask?

255.255.255.248

What service is provided by POP3?

Retrieves email by downloading to the client.

Two security solutions mostly corporate-only? (Choose two.)

intrusion prevention systems; virtual private networks

What describes antivirus software?

applications that protect devices from malware infections

Mechanism to prevent endless travel of IPv4 packet?

Decrement TTL; if 0, drop and send ICMP Time Exceeded

Destination port 69. What service?

TFTP

Steps to accept only SSH on R1? (Choose three.)

Configure IP domain name; Generate SSH keys; Enable inbound vty SSH

Two MAC sublayer functions? (Choose two.)

media access control; FCS error detection

IPv6 destination FF02::2. Target?

all IPv6 routers on the local link

Three parts of IPv6 GUA? (Choose three.)

global routing prefix; subnet ID; interface ID

Three concerns when building wireless network? (Choose three.)

coverage area; interference; security

Fastest way to test banner configuration?

Exit to login and observe banner upon new session.

Contention-based access method on wireless?

CSMA/CA

Function of data link layer?

exchange of frames over common local media

Purpose of TCP sliding window?

request source to decrease transmission rate (flow control)

What describes spyware?

software that collects user information on a device

Which switching method drops frames failing FCS?

store-and-forward switching

Range of IPv6 link-local addresses?

FE80::/10

What service is provided by FTP?

Data transfers between a client and a file server.

Two host settings required to access http site? (Choose two.)

DNS server; default gateway

Two statements about NAT for IPv4? (Choose two.)

Introduces problems for end-to-end apps; Slows IPv4 address depletion

EUI-64 interface ID for MAC 1C-6F-65-C2-BD-F8?

1E6F:65FF:FEC2:BDF8

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

PC2 will send an ARP reply with the PC2 MAC address

What service is provided by BOOTP?

Legacy discovery of IP for diskless workstation and BOOTP server location.

What describes adware?

software installed on a device that displays ads and collects info

If per-port error threshold reached, revert to which switching method?

store-and-forward

Match a statement to the related network model. P2P network vs P2P application . (Not all options are used.)

Network: no dedicated server; client and server roles are set on a per request basis.

Application: requires a specific user interface + background service required.

Two primary responsibilities of Ethernet MAC sublayer? (Choose two.)

data encapsulation; accessing the media

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.

• The switch can be remotely managed.

• One device is attached to a physical interface.

• The default SVI has been configured.

Match frame fields: to the correct functions

This field checks if the frame has been damaged during the transfer.

This field helps to direct the frame toward its destination.

This field is used by the LLC to identify the Layer 3 protocol.

This field identifies the beginning of a frame.

addressing
error detection
type
frame start

addressing	This field helps to direct the frame toward its destination.
error detection	This field checks if the frame has been damaged during the transfer.
type	This field is used by the LLC to identify the Layer 3 protocol.
frame start	This field identifies the beginning of a frame.

IPv6 subnet ID for 2001:DA48:FC5:A4:3D1B::1/64?

2001:DA48:FC5:A4::/64

Match the firewall function to the type of threat protection
packet filtering, URL filtering, application filtering, stateful packet inspection,

prevents access by port number
prevents access based on IP or MAC address
prevents unsolicited incoming sessions
prevents access to websites

prevents access by port number	application filtering
prevents access based on IP or MAC address	packet filtering
prevents unsolicited incoming sessions	stateful packet inspection
prevents access to websites	URL filtering