Review Questions
The answers to the Chapter Review Questions can be found in Appendix A.
1. Which of the following wireless IEEE standards operate on the 2.4GHz radio frequency and are directly compatible with each other? (Choose two.)
A. 802.11a
B. 802.11b
C. 802.11d
D. 802.11g
2. What is the primary function of the SSID?
A. Secure communication between a web server and browser
B. Secure communication between a server and remote host
C. A type of password used to help secure a wireless connection
D. A type of password used to secure an Ethernet 802.3 connection
3. Which two of the following are standards for cellular communications?
A. GSM
B. SIG
C. CDMA
D. CCFL
4. What is the most secure wireless encryption standard for 802.11 networks?
A. WEP
B. WPA
C. WPA2
D. SAFER+
5. What level of QoS is designated for interactive voice and video?
A. 1
B. 4
C. 5
D. 6
6. You have just installed a wireless router on your home network. Which of the following should you do to make it highly secure? (Choose two.)
A. Change the default administrator name and password.
B. Change the SSID.
C. Enable WEP.
D. Configure it to channel 11.
7. You are setting up a small office network for a client. Which Internet service would you recommend to provide the best speed?
A. DSL
B. Dial-up
C. Satellite
D. BRI ISDN
E. PRI ISDN
8. Which service allows users with private IP addresses to access the Internet using a public IP address?
A. DHCP
B. DNS
C. DMZ
D. NAT
9. You are installing a single 802.11g wireless network. The office space is large enough that you need three WAPs. What channels should you configure the WAPs on to avoid communication issues?
A. 2, 5, and 7
B. 1, 8, and 14
C. 1, 6, and 11
D. 3, 6, and 9
10. You are setting up a wireless network. Which wireless standards would give the users over 40Mbps throughput? (Choose three.)
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11n
11. Which of the following are 4G standards? (Choose two.)
A. LTE
B. GSM
C. CDMA
D. WiMAX
12. Which of the following wireless communication methods has an operational range of 1 meter with a viewing angle of 30 degrees?
A. Bluetooth
B. Infrared
C. WiMAX
D. Satellite
13. Which of the following are advantages to using dial-up Internet service? (Choose two.)
A. High speed
B. Broad availability
C. Low cost
D. High security
14. Which of the following security standards was the first to introduce a dynamic 128-bit per-packet security key?
A. WEP
B. TKIP
C. AES
D. CCMP
15. You are running an 802.11g wireless router in mixed mode. You have three 802.11g wireless NICs using the router. A new user connects using an 802.11b wireless NIC. What will happen?
A. The user with 802.11b will access the network at 11Mbps while the users with 802.11g will access the network at 54Mbps.
B. The user with 802.11b will not be able to communicate on the network.
C. The user with 802.11b will access the network at 11Mbps. The users with 802.11g will access the network at 54Mbps unless they are communicating with the 802.11b device, which will be at 11Mbps.
D. All users will access the network at 11Mbps.
16. When enabled, which feature of a wireless router allows only specified computers to access the network?
A. Port forwarding
B. WPS
C. SSID
D. MAC filtering
17. A firewall operates by using a set of rules known as what?
A. SLA
B. ACL
C. Default deny
D. DMZ
18. You have set up a wireless router on your network and configured it to use AES. What configuration option do you need to choose on the client computers?
A. WEP
B. WPA
C. WPA2
D. TKIP
19. Besides 802.11 standards, which wireless communication method works in the 2.4GHz range?
A. Bluetooth
B. Infrared
C. Satellite
D. Cellular
20. Which of the following broadband technologies provides two dedicated, digital data channels that can be combined for greater throughput?
A. DSL
B. Cable
C. Satellite
D. BRI ISDN
E. PRI ISDN