Network+ Assesment Test Comptia

Front 1

What is the basic purpose of a local area network (LAN)?

Back 1

To connect one or more computers together so they can share resources.

Front 2

Which of the following describes a VLAN?

Back 2

It virtually separates subnets using switches

Front 3

IP resides at which layer of the OSI model?

Back 3

Network

Front 4

Layer 2 of the OSI model is named

Back 4

Data Link layer

Front 5

Which TG rating of coal is used for cable modems?

Back 5

RG-6

Front 6

Which UTP wiring uses four twisted wire pairs (eight wires) and is rated for 20MHz?

Back 6

Category 6 UTP

Front 7

If you are running half-duplex Internet, which of the following is true?

Back 7

Your digital signal cannot transmit and receive data at the same time.

Hosts use the CSMA/CD protocol to prevent collisions.

The physical connection consists of one wire pair.

Front 8

You need to connect a hub to a switch. You don't like this idea because you know that it will create congestion. What type of cable do you need to use to connect the hub to the switch?

Back 8

Crossover

Front 9

Your boss asks you why you just put in a requisition to buy a bunch of switches. He said he just bought you a bunch of hubs five years ago! Why did you buy the switches?

Back 9

Because each switch port is its own collision domain.

Front 10

Which device would connect network segments together, creating separate collision domains for each segment but only a single broadcast domain?

Back 10

Switch

Front 11

Most Application-layer protocols only use UDP or TCP at the Transport layer. Which of the following could use both?

Back 11

DNS

Front 12

HTTP, FTP, and Telnet work at which layer of the OSI model?

Back 12

Application

Front 13

IPv6 uses multiple types of addresses. Which of the following would describe an anycast address used by an IPv6 host?

Back 13

This address identifies multiple interfaces, and the anycast packet is only delivered to one address, This address can also be called one-to-one-of-many

Front 14

Which of the following IP addresses are not allowed on the Internet?

Back 14

10.1.1.1

192.168.0.1

Front 15

What is the subnetwork address for a host with the IP address 200.10.5.168/28

Back 15

200.10.5.160

Front 16

If you wanted to verify the local IP stack on your computer, what would you do?

Back 16

ping 127.0.0.1

Front 17

The OSI model uses an encapsulation method to describe the data as it is encapsulated at each layer of the OSI. What is the encapsulation named at the Data Link layer?

Back 17

Frames

Front 18

Where does a Data Link layer frame have to carry a Network layer packet if the packet is destined for a remote network?

Back 18

rOUTER

Front 19

Which of the following are not Distance Vector routing protocols?

Back 19

OSPF

IS-IS

Front 20

Which of the following uses both Distance Vector and Link State properties?

Back 20

EIGRP

Front 21

You need to break up broadcast domains in a Layer 2 switched network. What strategy will you use?

Back 21

Create a VLAN

Front 22

Why do most switches run the Spanning Tree Protocol by default?

Back 22

It prevents switching loops

Front 23

Which of the following describes MIMO correctly?

Back 23

A data-transmission technique in which several frames are sent by several antennae over several paths and are then recombined by another set of antennae.

Front 24

Which two practices help secure your wireless access points from unauthorized access?

Back 24

Changing the default SSID value

Configuring a new administrator password

Front 25

IPSec is defined at what layer of the OSI model?

Back 25

Network

Front 26

You want your users to log in and authenticate before they can get onto your network. Which of the following services would you use?

Back 26

RADIUS

Front 27

Someone calls you and asks for your bank-account number because the bank is having problem with your account. You give them this information and later fing out that you were scammed. What type of attack is this?

Back 27

Phishing

Front 28

Which three of the following are types of denial of service attacks?

Back 28

Ping of Death

Stacheldraht

SYN flood

Front 29

You want to stop a hacker in theri tracks. Which of the following devices are proactive in providing this service?

Back 29

Intrusion Prevention System (IPS)

Front 30

You connected your company to the internet, and security is a concern, What should you install?

Back 30

Firewall

Front 31

Which of the following are WAN protocols or technologies?

Back 31

ATM

ISDN

MPLS

Front 32

The rate at which the frame-relay switch agrees to transfer data is referred to as?

Back 32

CIR

Front 33

Which two arp utility switches perform the same function?

Back 33

-g

-a

Front 34

You need to purge and reload the remote NetBIOS name table cache. Which nbtstat utility switch will you use?

Back 34

-R

Front 35

Which tool is used to attach ends to network cables?

Back 35

Crimper

Front 36

You are using a TDR. Which three of the following actions can you do with this device?

Back 36

Estimate cable lengths

find splice and connector locations and their associated loss amounts

Define cable-impedance characteristics

Front 37

Which of the following are considered cabling issues?

Back 37

Crosstalk

Shorts

Open impedance mismatch

Front 38

A workstation gives an error message to a user. The message states that a duplicate IP address has been detected on the network. After developing a hypothesis, what should the next step be according to the standard troubleshooting model?

Back 38

Implement an action plan

Front 39

Which network-performance-optimization technique can delay packets that meet certain criteria to guarantee usable bandwidth for other applications?

Back 39

Traffic shaping

Front 40

You need to optimize network traffic by spreading it across multiple connections. Which strategy should be used?

Back 40

Load balancing