Mis

Front 1

Which layer of the OSI model is concerned with hubs and repeaters?

Back 1

Physical

Front 2

Switches belong to which layer of the OSI model?

Back 2

Layer 2

Front 3

In which of the following examples do the workstations share a collision domain?

Back 3

Two computers connected to the same hub.

Front 4

What is an advantage of using DHCP in a network environment?

Back 4

Assigns IP address to hosts

Front 5

XYZ County Schools is a small rural school district. Recently, the CIO was given authorization to connect the district-office LAN to the internet. A 56Kbps line was installed in the district office. What internetworking does XYZ County School have to install in order to connect the district-office LAN to the internet?

Back 5

Router

Front 6

Which protocol does PING use to check network connectivity?

Back 6

ICMP

Front 7

You want to connect Network X to Network Y creating an internetwork. Which internetworking device should you use to accomplish this?

Back 7

Router

Front 8

The purpose of a bridge is to ______________.

Back 8

filter data on a network by MAC address.

Front 9

The local school district decided at its last school board meeting to install a wired LAN in the district high school. The high school has 250 stand-alone computers. For each computer to communicate on a wired LAN, the network person must install a(n) _______________ in each computer.

Back 9

NIC

Front 10

Your network is divided into two segments. As the signal travels down the first segment, it becomes weak. To amplify the signals passing to the second segment, the network engineer installed a networking device. Which networking device did the engineer install?

Back 10

Repeater

Front 11

A switch has three computers connected to it. How many broadcast and collision domains is the switch creating?

Back 11

One broadcast and three collision

Front 12

Which physical layer network device broadcasts all incoming packets out all available ports?

Back 12

Hub

Front 13

What is the primary function of a bridge?

Back 13

Breaks up collision domains

Front 14

Which of the following is layer 4 of the OSI model?

Back 14

Transport

Front 15

You want to implement a mechanism that automates the IP configuration, including UP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?

Back 15

DHCP

Front 16

Which of the following is a valid Class B IP address?

Back 16

191.64.56.3

Front 17

Which layer of the DoD model is equivalent to the Network later of the OSI model?

Back 17

Internet

Front 18

Which of the following is a valid Class C IP address?

Back 18

193.5.4.88

Front 19

You need to have secure communications using HTTPS. What port is used by default?

Back 19

443

Front 20

Which of the following statements is true?

Back 20

TCP is a connected-oriented transport protocol.

Front 21

Which protocol should you use if you want to dynamically assign IP addresses to network clients?

Back 21

DHCP

Front 22

Which of the following is a valid private IP address?

Back 22

172.20.14.36

Front 23

What protocol is used to find the hardware address of a local device?

Back 23

ARP

Front 24

What layer in the DoD model is equivalent to the Transport layer of the OSI model?

Back 24

Host-to-Host

Front 25

Which of the following ports are matched with the correct protcol?

Back 25

TCP port 53: DNS

Front 26

Which of the following is a valid Class A IP address?

Back 26

126.5.22.36

Front 27

Which protocol translates TCP/IP addresses to MAC addresses?

Back 27

ARP

Front 28

What class of IP address provides a maximum of only 254 host addresses per network ID?

Back 28

Class C

Front 29

Which of the following is a layer 2 broadcast?

Back 29

FF.FF.FF.FF.FF.FF

Front 30

A host automatically configured with an address from which of the following ranges indicates an inability to contact DHCP?

Back 30

169.254.x.x with a mask of 255.255.0.0

Front 31

Which of the following statements is true in reference to the following IP address? 10.10.10.1

Back 31

It is a Private Class A address.

Front 32

Which of the following is a valid Class A address?

Back 32

126.10.0.1.255.0.0.0

Front 33

Which statement regarding private IP addresses is most accurate?

Back 33

A remote host across the internet cannot ping your host if it has a private address.

Front 34

Which of the following is a Class A IPv4 address?

Back 34

120.176.150.1

Front 35

You want to ping the loopback address of your local host. Which address could you type?

Back 35

ping 127.0.0.1

Front 36

In a Class C IP address, how long is the network address?

Back 36

24 bits

Front 37

Which of the following describes a broadcast address?

Back 37

All host bits are on (1s).

Front 38

Which of the following is a Class C IPv4 address?

Back 38

201.150.176.1

Front 39

Which of the following is a valid Class B address?

Back 39

129.1.1.1 255.255.0.0

Front 40

When networked computers boot up, they are configured with a 169.254.x.x IP address. They cannot access Internet resources. What is the problem?

Back 40

The DHCP server is down.

Front 41

Which of the following is a valid IP address that can be used on the Internet (meaning the public addressing scheme)?

Back 41

168.16.1.1

Front 42

Which of the following is the default subnet mask for a Class B IPv4 address?

Back 42

255.255.0.0

Front 43

A ndoe on a network has an IP address of 140.133.28.72 and its subnet mask is 255.248.0.0. What type of subnetting has been used on the network?

Back 43

Classless

Front 44

You have one public IP address available to use to access resources outside your network. However, you have 300 users that need to access the Internet. What technology will you use to implement a solution?

Back 44

PAT

Front 45

What is the problem when network computers can access websites using an IP address only?

Back 45

The DNS Server is down.

Front 46

What is the default subnet mask for a Class C network?

Back 46

255.255.255.0

Front 47

On which of the following devices are you most likely to implement NAT?

Back 47

Router

Front 48

What does the term overloading mean when used in conjunction with NAT?

Back 48

when there are more private IP addresses than public IP addresses.

Front 49

Which of the following describes an IP address as it exists on the LAN before translation by NAT?

Back 49

Inside Local

Front 50

Which of the following is NOT a type of NAT?

Back 50

Private NAT

Front 51

When configuring the IP settings on a computer on one subnet to ensure that it can communicate with a computer on another subnet, which of the following is desirable?

Back 51

Configure the computer with a default gateway that matches the IP address of the interface of the router that is attached to the same subnet as the computer.

Front 52

What network service provides a large number of users access to the Internet through a single registered IP address?

Back 52

NAT