When you have completed your exam and reviewed your answers, click Submit Exam. Answers will not be recorded until you hit Submit Exam. If you need to exit before completing the exam, click Cancel Exam.

Questions 1 to 20: Select the best answer to each question. Note that a question and its answers may be split across a page break, so be sure that you have seen the entire question and all the answers before choosing an answer.

 

1. When performing classful subnetting, the number of bits that are borrowed depends on the number of _______ required.A. subnets

B. switches

C. hosts

D. routers

 

2. The _______ topology is the most expensive to implement.A. bus

B. star

C. mesh

D. ring

 

3. _______ is/are used to control traffic that goes through a router.A. IPS

B. NAT

C. ACLs

D. NCPs

 

4. The most commonly used numbering system in computing isA. hexadecimal.

B. octal.

C. binary.

D. decimal.

 

5. What is db in binary?A. 10110100

B. 11110010

C. 11100000

D. 11011011

 

6. What IPv4 address is the IPv6 address ::1 equivalent to?

Exam: 402580RR - TOPOLOGIES, NUMBERING SYSTEMS,AND IP ADDRESSES

A. 127.0.0.1

B. 0.0.0.0

C. 255.255.255.255

D. 1.1.1.1

 

7. Every type of cable has a maximum cable length before the cable suffers fromA. multipath.

B. fade.

C. attenuation.

D. VSVW.

 

8. Each end of the bus topology must have a special connector called a _______ installed.A. vampire tap

B. capacitor

C. terminator

D. T-connector

 

9. Which of the following is a WAN topology?A. Bus

B. Mesh

C. Point-to-multipoint

D. Star

 

10. The IP address 192.18.5.7 is in ClassA. B.

B. D.

C. A.

D. C.

 

11. Which type of cable is used in a bus topology?A. coaxial

B. UDP

C. STP

D. fiber

 

12. In the _______ topology, every computer is connected to every other computer?A. mesh

B. ring

C. star

D. bus

 

13. What is 11111111 in decimal?

A. 512

B. 255

C. 128

D. 64

 

14. What is the last address in Class C?A. 126.255.255.255

B. 10.255.255.255

C. 192.255.255.255

D. 223.255.255.255

 

15. Which version of IP uses hexadecimal in the addressing?A. v4

B. v8

C. v2

D. v6

 

16. _______ is a network security protocol designed to protect the integrity and confidentiality of data while it is en route across an untrusted network?A. IPX

B. IPSec

C. IPv4

D. NCP

 

17. What number is f in hex?A. 15

B. 4

C. 32

D. 8

 

18. Memory addresses use _______ numbering.A. octal

B. decimal

C. binary

D. hexadecimal

 

19. MAC addresses use the _______ numbering system.A. binary

B. decimal

C. octal

D. hexadecimal

 

20. Which set of high order bits is correct for Class A?

End of exam

A. 0000

B. 1110

C. 1000

D. 1100