Deck 2: Networks and the Internet

Question 1

Which TCP/IP protocol operates on ports 20 and 21 and is used for transferring files between computers?

A)FTP
B)SMTP
C)HTTP
D)DNS

Answer 1

A

Question 2

The TCP protocol works at the network layer of the OSI model.

Answer 2

False

Question 3

No protocols operate at the physical layer of the OSI model.

Answer 3

True

Question 4

Unshielded twisted-pair cable capable with a specification of 100 MHz/100 Mbps is also called Category ________.

A)5
B)6
C)7
D)None of the above

Question 5

Which device can relay packets from one network to another and is usually programmable?

A)Hub
B)Repeater
C)Switch
D)Router

Question 6

Which TCP/IP protocol operates on port 25 and sends email?

A)FTP
B)SMTP
C)HTTP
D)DNS

Question 7

Which TCP/IP protocol operates on port 53 and translates URLs into Web addresses?

A)FTP
B)SMTP
C)HTTP
D)DNS

Question 8

MAC addresses are unique addresses for each NIC.

Question 9

Which TCP/IP protocol operates on port 80 and displays web pages?

A)FTP
B)SMTP
C)HTTP
D)DNS

Question 10

The IP command-line command to determine the number of hops it takes to get from your computer to its destination is ping.

Question 11

The IP command-line command to determine your computer's IP address,subnet mask,and default gateway is ping.

Question 12

The first four bytes of the MAC address identify the vendor.

Question 13

The name you type into a browser's address bar,such as www.microsoft.com,is known as the IP locator.

Question 14

Which device can connect many computers and sends data only out of one port?

A)Hub
B)Repeater
C)Switch
D)Router

Question 15

Which device is used to boost a signal?

A)Hub
B)Repeater
C)Switch
D)Router

Question 16

The session layer of the OSI model provides the mechanism to manage the dialogue between end-user application processes.

Question 17

A(n)__________ hides the internal network's IP address and presents a single IP address to the outside world.

A)Firewall
B)Proxy server
C)Intrusion detection system
D)Network Monitor

Question 18

Which device can connect many computers and sends packets out every port?

A)Hub
B)Repeater
C)Switch
D)Router

Question 19

The notation used to perform variable-length subnet asking for IP addresses is CIDR.

Question 20

A host is a machine with data on it,to which you can connect.

Question 21

If an IP address has the number 192 in the first octet,it is a class _______ address.

A)A
B)B
C)C
D)D

Question 22

What is the binary equivalent of the decimal number 240?

A)11110000
B)11111000
C)11111100
D)11111110

Question 23

If an IP address has the number 191 in the first octet,it is a class ______ address.

A)A
B)B
C)C
D)D

Question 24

An IP address consists of four numbers,separated by dots.Each number is called a(n)________.

A)Subnet
B)Octet
C)Bit
D)CIDR

Question 25

The IP utility used to test connectivity with a remote host is _______.

A)CIDR
B)tracert
C)ping
D)None of the above