Net Lesson 01 Test Bank

Question 1

1. When a key network administrator leaves a company, which of the following does the company depend on to continue to use the network?
   a) The user’s password
   b) Active Directory
   c) The master network switch
   d) Network documentation

Answer 1

d) Network documentation

Question 2

2. Which of the following is the most common central device used today to connect computers to a network?
   a) Hub
   b) Switch
   c) SOHO router
   d) VPN router

Answer 2

b) Switch

Question 3

3. Which of the following is the most common adapter or connector used to connect a computer to a
wired network?
a) RG-6
b) RG-58
c) RJ-45
d) RJ-8

Answer 3

c) RJ-45

Question 4

4. Which of the following is used by a switch for increased performance?
   a) Simplex
   b) Half duplex
   c) Full duplex
   d) Sliding duplex

Answer 4

c) Full duplex

Question 5

5. Which of the following is used to isolate a group of computers within an organization?
   a) WLAN
   b) WAN
   c) VLAN
   d) Internet

Answer 5

c) VLAN

Question 6

6. Which of the following is used to create VLANs?
   a) Router
   b) Switch
   c) Firewall
   d) Proxy server

Answer 6

b) Switch

Question 7

7. Which zone is used to publish external websites for an organization?
   a) Intranet
   b) Extranet
   c) Internetwork
   d) DMZ

Answer 7

d) DMZ

Question 8

8. Which topology is the most redundant and the most expensive?
   a) Star
   b) Ring
   c) Mesh
   d) Bus

Answer 8

c) Mesh

Question 9

9. Which of the following standards describe CSMA/CD?
   a) 801.2
   b) 802.3
   c) 802.5
   d) 802.11

Answer 9

b) 802.3

Question 10

10. Which mechanism is used by wireless networks to access the network?
    a) CSMA/CD
    b) CSMA/CA
    c) Token passing
    d) Polling

Answer 10

b) CSMA/CA

Question 11

11. Which model promises the most processing power?
    a) Centralized computing
    b) Distributive computing
    c) Switching computing
    d) Dumb computing

Answer 11

b) Distributive computing

Question 12

12. Which model uses a central database for authentication?
    a) Peer-to-peer
    b) Workgroup
    c) Client/server
    d) Distributive

Answer 12

c) Client/server

Question 13

13. Active Directory runs on which of the following types of servers?
    a) File server
    b) Print server
    c) Database server
    d) Network controller

Answer 13

d) Network controller

Question 14

14. In which model does each host have its own security database?
    a) Peer-to-peer
    b) Client/server
    c) Distributive
    d) Sliding

Answer 14

a) Peer-to-peer

Question 15

15. Which type of communication is sent to a single designated host?
    a) Unicast
    b) Broadcast
    c) Multicast
    d) Anycast

Answer 15

a) Unicast

Question 16

16. Which of the following is used to uniquely identify a host on a TCP/IP network?
    a) IP address
    b) MAC address
    c) Bit pattern
    d) Router name

Answer 16

a) IP address

Question 17

17. A _________ is a single computer or device that connects to a TCP/IP network.

Answer 17

host

Question 18

18. What is the central device used in wireless LANs?

Answer 18

wireless access point

Question 19

20. Which command is used to test the TCP/IP stack on a computer?

Answer 19

ping localhost or ping 127.0.0.1 or ping loopback