Professional Knowledge Quiz

1. How long is an IPv6 address?

A. 32 bits
B. 128 bytes
C. 64 bits
D. 128 bits


2. What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?
A. NAT
B. Static
C. Dynamic
D. PAT

3. What are the two main types of access control lists (ACLs)?
I.  Standard
II. IEEE
III.Extended
IV. Specialized
A. I and III
B. II and IV
C. III and IV
D. I and II

4. What command is used to create a backup configuration?
A. copy running backup
B. copy running-config startup-config
C. config mem
D. wr mem

5. You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?
A. 100 kbps
B. 1 Mbps
C. 2 Mbps
D. 10 Mbps

6. Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?
A. A
B. B
C. G
D. N

7. Which of the following is the valid host range for the subnet on which the IP address 192.168.168.188 255.255.255.192 resides?
A. 192.168.168.129-190
B. 192.168.168.129-191
C. 92.168.168.128-190
D. 192.168.168.128-192

8. To back up an IOS, what command will you use?
A. backup IOS disk
B. copy ios tftp
C. copy tftp flash
D. copy flash tftp

9. What protocol does PPP use to identify the Network layer protocol?
A. NCP
B. ISDN
C. HDLC
D. LCP

10. Which of the following commands will allow you to set your Telnet password on a Cisco router?
A line telnet 0 4
B. line aux 0 4
C. line vty 0 4
D. line con 0

11. Which protocol does DHCP use at the Transport layer?
A. IP
B. TCP
C. UDP
D. ARP

12. Which command is used to determine if an IP access list is enabled on a particular interface?
A. show access-lists
B. show interface
C. show ip interface
D. show interface access-lists

13. Where is a hub specified in the OSI model?
A. Session layer
B. Physical layer
C. Data Link layer
D. Application layer

14. What does the passive command provide to dynamic routing protocols?
A. Stops an interface from sending or receiving periodic dynamic updates.
B. Stops an interface from sending periodic dynamic updates but not from receiving updates.
C. Stops the router from receiving any dynamic updates.
D. Stops the router from sending any dynamic updates.

15. Which protocol is used to send a destination network unknown message back to originating hosts?
A. TCP
B. ARP
C. ICMP
D. BootP

ANSWERS:

1. D

2. D

3. A

4. B

5. D

6. C

7. A

8. D

9. A

10. C

11. C

12. C

13. B

14. B

15. C