Comptia A+ Networking

ICMP (Internet Control Message Protocol)

Which TCP/IP Internet layer protocol is in charge of sending error messages when two computers’ communications fails?

MX (Mail Exchange)

A type of DNS data record that identifies a mail server and that is used for email traffic.

FF00::/8

IPv6 Multicast address range

SMB (Server Message Block)

___ TCP/IP protocol employs port 445

Unicast

Which form of IPv6 address represents a single node

SMB (Server Message Block)

Which TCP/IP protocol is utilized on a network to give shared access to files and printers?

Punchdown tool

You are working in a telecoms room, installing a new network. Several network wires must be connected to a 110 block. What tool would you use for this task?

443

What port does traffic travel when you connect to a website that encrypts its connection with TLS?

CIFS (Common Internet File System)

What version of SMB was once utilized by Windows servers and NAS servers but is now rarely used?

WLAN (Wireless Local Area Network) Server

Which of the following is NOT commonly found in a wireless LAN (WLAN)?

Switch

Which of the following network connectivity devices runs at the OSI models layer 2?

Configure a reserved IP address on the DHCP server for a print server.

Manually congfigure the print server to have a static IP address

You’re configuring a network for a customer. The network employs a DHCP server, but the customer requires a fixed IP address for thier print server. What are the possible solutions?

NetBIOS Name service (shared resources across the internet)

What is port 137 used for?

NetBT

Ports 137 and 139 are used by which of the following protocol?

UDP (User Datagram Protocol) 161

You have been tasked with configuring a device that will be monitored with an SNMP ( Simple Network Management Protocol) agent and manager. When polling the agent, what port will the SNMP manager use?

WAN (Wide Area Network)

What kind of network spans huge geographical areas and frequently serves thousands of users, frequently utilizing lines owned by other entities?

MAN (Metropolitan area network)

What kind of network spans multiple building or workplaces, possibly spanning roadways, but is limited to a narrow geographical area?

53

Your IT team disabled numerous ports on the external firewall due to a recent security compromise. Users can no longer access websites by URLs, but they can do so via IP addresses. What port(s) must the IT team reopen in order to provide internet access via URLs?

PoE (Power over Ethernet)

A wireless access point must be installed in a drop ceiling when there is no access to a power supply. Which technology will you use to power that device?

802.11ax (WiFi 6)

Your network is currently comprised of both 802.11b and 802.11g devices. You have extra funds at the end of the year to upgrade part ,but not all, of the wireless infrastructure. You want to upgrade to the latest technology wile maintaining backward compatibility. Which standard should you go with?

QoS ( Quality of Service )

You are configuring an 802.11ax wireless router. The office manager demands that you setup the router so that traffic from her computer is prioritized on the network above traffic from other users. Which settings must you change to achieve this?

3 meters

A fast USB Gen 2×2 external hard drive needs to be set up in the middle of the cubicles which are about 15 feet from each other, and every user nearby must be able ti get access to this drive. What is the maxium cable length recommened for this sort of device?

It is only found in smartphones

It uses Complex Instruction Set Computing (CISC)

Which statements are NOT correct about ARM architecture?

Impact

Which of the following printer types would work best with carbonless, multipart forms?

MMF (Multi-mode optical fiber)

Your company has recently grown and is leasing more office space in a nearby office building. Fortunately a conduit has been made between the two. You anticipate that the cable will be around 300 meters long. What kind of cable should you get?

Disable EEE (Energy Efficient Ethernet)

Users have been complaining about sporadic connectivity to a network resource. You’ve discovered the issue: the switch part is flapping. the connected equipment is not EEE compliant, yet users require its availability. What should be done to resolve this issue.

AMD EPYC

Intel Xeon

Which of the following processors are commonly found in a server rather than a normal PC?

The computer will be able to get one the internet using that IP address.

You’re debugging a computer with an IPv6 address in the FE80::/10 range. Which of the following assertions is NOT correct?

100 meters

What is the maximum allowable distance between a power over Ethernet injector and an ethernet device on a 1000BaseT network?

Cat 5

A cable in a network is only capable of 100 Mbps maximum speed. What type of cable is this

802.11n

802.11ax (Wi-Fi 6)

What are the TWO wireless networking (Wi-Fi) standards that can use both the 2.4Ghz and 5 Ghz frequencies

Pickup Rollers

An inkjet printer has recently started having problems picking up paper. This issue is MOST LIKELY to be caused by which of the following component’s failure?

POP3 (Post Office Protocol 3)

You’re setting up private email on a coworker’s phone. He wants to ensure that all of his mail is stored solely on their phone. Which mail protocol stores all emails on a single device and allows only one device to access them?

FTP (File Transfer Protocol) Server

What kind of server, which is similar to the way a web server serves web pages, may host files for simple access and download?

IP address and subnet mask

You’re configuring hosts on an IPv4 network. What are the components required for the computer to connect to the network?

VDI (Virtual desktop infrastructure)

______ grants users access to a virtual operating system in the cloud via a browser or client on their local devices, or via a local virtualization server.

MDM (mobile device management)

MAM (mobile application management)

Employees at your company are permitted to use their personal devices for work-related purposes. As the IT director, what are the two things that you use to guarantee the sercurity of the company’s data on those personal devices?

BIOS

RAM

you’re debugging a computer that won’t boot up. When you turn it on, it emits a sequence of beeps. Which components are MOST LIKELY to be responsible for this?

WEP (Wired Equivalent Privacy)

Which outdated Wi-Fi encryption protocol employs a static key that is typically 10,26, or 58 characters long?

Loopback plug

On the network, you have a desktop that is not working properly. the wired connection frequently disconnects with warning. to diagnose the network adapter, which tool should you use?

802.11g

Bob has a device that operates at a frequency of 5 GHz. He is unable to connect his device to a LAN that he has not previously accessed, despite having checked that he has the correct password. What kind of network could cause this issue?

Plenum

You are installing network cabling in an office space’s drop ceiling. Breathable air is circulated across the ceiling are. What kind of cable do you need to install?

80

You have reason to suspect that a number of network users are actively reading banned content on unsecured Internet sites. Which firewall port can you disable to prevent access to the websites?

SC (Subscriber Connector, Square Connector, or Standard Connector)

What kind of connector is being shown in this image?

VDI in the cloud

What technology provides the benefits of centralized security, simplicity of configuring new desktops for remote workers, and scalability regardless of where a user lives or works from in today’s more mobile workforce?

Cross-platform virtualization

A graphic artist in your organization must be able to work with both Linux and Windows platforms. However, your manager wants to support as few physical devices as possible. What technology enables both operating systems to run on a single machine?

WAP (wireless access point)

You are a network administrator. The corporate network does not yet have wireless connection , but the company is purchasing tablets so that employees may have their work with them as they wander about the facility. what device will you install to allow employees to connect to the wired network via wireless devices?

It can’t find a DHCP server

You notice that the local computer has an IPv4 address of 169.254.2.2 while debugging a network connectivity issue. What are your FIRST impression of this local computer?

UDP (User Datagram Protocol)

Which TCP/IP host-to-host protocol makes every effort but cannot guarantee data delivery?

File server

What server would act as a central repository for documents and provide internal users with network shared file storage?

Web server

What kind of server allows internet access to company-provided information such as contact information, items or services for sale, and other information.

172.168.38.155

Which of the following IP address is NOT a private address and hence can be routed through the internet?

Reference a standard used by TCP/IP any address starting in10. 172.16. through 172.30.

How to tell if an IP address is private?

Requires a cloud based network

Which of the following benefits of software-defined networking (SDN) is NOT true?

TFTP (Trivial File Transfer Protocol)

There is a TCP/IP protocol that should be used only locally due to its lack of security. It can be used with thin clients booting from a network disk or as part of a preboot execution environment (PXE). It is connectionless and consumes very little memory making it ideal for transmitting boot file or configuration data between PCs on a LAN. What kind of file transfer protocol is this?

802.11ax (Wi-Fi 6)

802.11ac

You are building a wireless network for a small business. The administrator wants to have wireless communication rate of 1 Gbps or higher. Which of the following standards will enable you to do so?

Direct packets out the proper port

Which of the following features does NOT necessitate the use of a managed network switch?

110

143

You want to verify that a client computer can download email from external mail servers independently of the protocol used by their email client. Which firewall ports must be opened to enable this?

HTTPS (Hypertext Transfer Protocol )

SSH (Secure Shell)

Which of the following protocols is a connection-oriented protocol?

IPv6 does not use broadcast

Each IPv6 interface is required to have a link-local address

Which of the following claims about IPv6 is CORRECT?

255.255.0.0

You’re setting up a network hosts using static IP addresses. You’ve used a Class B network. What is the default subnet mask for the hosts that you should configure?

Enable DHCP settings on the router

Configure each NIC to obtain an IP address automatically

To reduce management time , implement dynamic IP addressing on your network. How will you do this?

TCP printing

Printers on a network must be shared with multiple client operating systems, including Windows, macOS, Linux. Which of the following services BEST meets these requirements?

PCIe x16

What are the first, third, and fifth expansion slots ( from the top down) on this motherboard

Socket TR4

Socket AM4

Which of following terms are compatible to AMD processors?

HVPS (High Voltage Power Supply)

Which component of a laser converts alternation current (AC) into usable energy for the charging and transfer corona?

Bridged mode

To enable direct communication between a virtual machine and the network to which the physical machine is connected, which networking mode should be selected?

Obstructed paper path

Your office’s inkjet printer frequently jams and generates crinkled paper. What is the MOST reasonable explanation for this?

Fusing

In the laser printer imaging process, what step uses pressure and heat to firmly adhere toner to paper?

23

The Telnet protocol uses which of the following ports

Asset documentation

Usage audit

Which two security measures can be implemented to avoid VM sprawl.

VM sprawl, or virtualization sprawl

When the number of virtual machines (VMs) on a network grows so quickly that administrators can't manage them effectively.

The toner is transferred to the paper

In the laser printer imaging process _______ during the transferring step.

The system has locked up and needs to be rebooted

You’re debugging a Windows 10 PC that doesn’t seem to be responding. You press the Caps lock key on the keyboard, but the caps lock light does not illuminate. What is the MOST LIKELY scenario?

IMAP (Internet Message Access Protocol)

You’re setting up company email on a colleague’s phone. The company must keep a copy of every email on their server, even after the user has accessed it. Which of the following mail protocol stores all email on the server and allows messages to be synchronized across multiple devices

Emulator Requirements

Which of the following is preferable when it is minimized in terms of how efficiently a hypervisor runs?

Patch panel

Which of the following devices is found in a telecommunications room and allows horizontal wiring to be gathered, with each terminating in a female port

LDAP (Lightweight Directory Access Protocol)

Which TCP/IP protocol allows you to access data maintained in an information directory, such as employee phone numbers and email addresses?

RAID 0

You’re looking into a recently installed three-disk RAID array. The original technician left notes expressing concern about potentially generating many points of failure in the system. Which sort of raid array has more possible failure points than a single hard drive?

RJ-11 and RJ-45

From left to right, what are TWO connectors shown in this picture?

OLED (organic light-emitting diode)

With this type of display, only organic material would be utilized to light up themselves, so that there is no need of backlight. By this mechanism, this display would deliver better black and greater contrast. What type of display is being described?

Configure ea reserved IP address on the DHCP server for the print server

Manually configure the print server to have a static IP address

You’re configuring a network for a customer. The network employs a DHCP (Dynamic Host Configuration Protocol) serve, but the customer requires a fixed IP address for their print server .What are the possible solutions?

25

Which TCP/IP port will an email client utilize to send email to its email server?

It is communicating on port 162

it is a managed switch

When a switch overheats, the SNMP (Simple Network Management Protocol) agent sends an SNMP trap to an SNMP manager. Which of the following statements is correct?

It converts fiber-optic light signals to electrical (Ethernet) signals.

Which statements about ONT (Optical Network Terminal) are CORRECT?

VLAN (virtual local area network)

Which network segmentation strategy minimizes broadcast domains while also adding a protection layer between users on the same network?

69.252.80.71

144.160.155.40

Which of the following IPv4 addresses are public?

A PC is manually configured with an IP that is in the DHCP scope.

You work for a tech support company, and a customer contacted you to report problem, something about a duplicate IP address. what was causing them to receive this message?

It allows network admins to monitor network traffic

Which of the following statements about a network TAP is TRUE?

If they are using the 2.4 GHz network, they should choose channel 1, 6, or 11 because they don't overlap each other.

The 5 GHz network channels provide greater bandwidth, so data could be transferred faster, but they may have more interference with their neighbors.

Your friend is thinking about the network configuration in his house. He wants you to explain the difference between the 2.4 GHz and 5 GHz networks available on their Internet connection. What are you going to tell your friend?

Which Wi-Fi channels do NOT require your router to have Dynamic Frequency

Selection (DFS) and Transmit Power

Control (TPC built in?

Channels 36 to 48.

WISP

Long-range fixed wireless

What are the terms used to describe an Internet service provider that utilizes T1 or T3 lines, fiber optic connections, and employs point-to-point millimeter-wave or microwave links for its backbone and service area expansion, along with point-to-multipoint wireless technology to offer Internet access to its customers?

Default Gateway

You are configuring TCP/IP hosts on the network manually. Which configuration parameter specifies the router's internal address, which allows Internet access?

802.3bt-compliant switch

802.3at-compliant switch

Your friend bought a PoE device for her home. It is classified as a type 2 device. Which of the following PoE switches is this device compatible with?