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1.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

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

a. Hub

b. Repeater

c. Switch

d. Router

3. Which device is used to boost a signal?

a. Hub

b. Repeater

c. Switch

d. Router

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

a. Hub

b. Repeater

c. Switch

d. Router

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

a. Hub

b. Repeater

c. Switch

d. Router

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

a. FTP

b. SMTP

c. HTTP

d. DNS

7. 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

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

a. FTP

b. SMTP

c. HTTP

d. DNS

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

a. FTP

b. SMTP

c. HTTP

d. DNS

10. 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

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

a. Subnet

b. Octet

c. Bit

d. CIDR

12. 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

13. 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

14. What is the binary equivalent of the decimal number 240?

a. 11110000

b. 11111000

c. 11111100

d. 11111110

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

a. CIDR

b. tracert

c. ping

d. None of the above

 

 

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