CH 5 Questions

4. What is the primary function of a bridge? A. Breaks up collision domains B. Allows a NIC or other networking device to connect to a different type of media than it was designed for C. Allows mobile users to connect to a wired network wirelessly D. None of the above

A

5. A network device that is used to connect multiple devices together without segmenting a network is a? A. Hub B. Wireless access point C. Switch D. Router

A

6. What is the function of a firewall? A. Protects LAN resources from attackers on the Internet B. Provides extra bandwidth C. Reduces throughput D. Allows access to all computers on a LAN

A

13. What is the most common use for a web proxy? A. Web cache B. Increases throughput C. Provides administrative control D. Supports user authentication

A

11. What role does the "A" record in a Domain Name Service (DNS) server have in your network? A. Translates human name to IP address B. Translates IP address to human name C. Enables printing copying, and faxing from one device D. Controls network packets to optimize performance

A

10. Which device should be used if you need to send incoming packets to one or more machines that are hidden behind a single IP address? A. Switch B. Load balancer C. Hub D. Repeater

B

15. Users arrive at the office after a weekend and the hosts that were shut down over the weekend are restarted but cannot access the LAN or Internet. Hosts that were not shut down are working fine. Where can the problem be? A. The DNS server B. The DHCP server C. The Proxy server D. The Firewall

B

16. You need a device that detects and reports attempts of unauthorized access to your network, identifies suspicious activity, and is best for identifying an attack. Which device should you install? A. Firewall B. IDS C. IPS D. Proxy server

B

3. Which device is used to segment a network? A. Hub B. Switch C. Repeater D. All of the above

B

7. Which of the following devices can work at both Layers 2 and 3 of the OSI model? A. Hub B. Switch C. Repeater D. Bridge

B

9. What is a benefit of a multilayer switch (MLS) over a Layer 2 switch? A. Less bandwidth B. Routing functions C. Fewer features D. Fewer ports

B

12. Which device does not aid in network segmentation? A. Router B. Switch C. Hub D. Bridge

C

17. Which device creates separate collision domains and a single broadcast domain? A. Hub B. Router C. Switch D. Modem

C

18. Which device by default does not forward any broadcast or multicast packets? A. Repeater B. Hub C. Router D. Switch

C

19. Which type of server in your network uses pointer and A records? A. NAT Translation server B. IPS/IDS Server C. DNS Server D. Proxy Server

C

2. What advantage does a switch have over a hub? A. It discards frames. B. Transmissions received on one port will be sent out all the other ports. C. It recognizes frame boundaries and destination MAC addresses of incoming frames. D. Any two or more devices the switch connects have the capability of causing a collision with each other.

C

1. Which is not a common term associated with modems? A. POTS B. DSL C. Cable D. NIC

D

14. Which is not an advantage of network segmentation? A. Reduced congestion B. Improved security C. Containing network problems D. Preventing broadcast storms

D

20. Users on your network are saturating your bandwidth because they are using too many nonwork related sites. What device would limit the availability of the types of sites that users on a LAN have access to while providing granular control over the traffic between the local LAN and the Internet? A. Switch B. DHCP server C. DNS server D. Proxy server

D

8. What is an advantage of using DHCP in a network environment? A. More difficult administration of the network B. Static IP addressing C. Can send an operating system for the PC to boot from D. Assigns IP address to hosts

D