1. CCNA 1 v3.1
Module 5 Review

2. Which layer of the OSI model covers physical media?

3. Which of the following companies are responsible for creating and implementing the first Ethernet LAN specifications? (Choose three.)
Intel
Digital
Microsoft
Hewlett Packard
Xerox
Cisco
Intel
Digital
Microsoft
Hewlett Packard
Xerox
Cisco

4. Which type of connector supports 100BASE-T Ethernet over Category 5e UTP?
RJ-45

5. In which of the following situations would a straight-through cable be used?
Note:
Count the crossover connections.
You need an odd number of crossover connections in order to have communication.
If you have an odd number of crossover connections to start with, then you use a straight-through cable.
A PC NIC has a straight-through port. A hub has crossover ports, except for the daisy-chain port. A switch has crossover ports. A router has straight-through ports.
switch to PC
router to router
router to switch
router to PC
switch to hub
PC to hub
switch to PC
router to router
router to switch
router to PC
switch to hub
PC to hub

6. What are the reasons for the Four Repeater Rule of 10 Mbps Ethernet
What are the reasons for the Four Repeater Rule of 10 Mbps Ethernet? (Name two.)
to prevent late collisions
to limit latency

7. What are 2 major benefits of wireless networks when compared to wired networks?
mobility
no need to run cables to hosts

8. What are 3 types of hubs?
active
passive
Intelligent

9. What are 2 other names for a hub?
concentrator
multiport repeater

10. What are 3 benefits of peer-to-peer networks?
easy to create
no centralized equipment required
centralized administrator not required

11. What are 3 advantages of client/server networks?
centralized security
centralized backups
enhanced network services

12. What is the recommended maximum number of workstations configured on a peer-to-peer network?10

13. What are the two basic functions of a switch?
switching data frames
build and maintain tables

14. What must be connected to the DB-15 AUI port to provide connectivity for an RJ-45 terminated cable?
transceiver

15. At which layer of the OSI model is a NIC classified?
Data link

16. Which protocol is typically used to carry data over an ISDN B channel?
PPP

17. An ISDN BRI connection is composed of how many bearer channels?
2 Remember the 2B+D rule: 2 bearer channels for voice and data and 1 D channel for signaling to carry instructions

18. Which port on a router is used with a modem to make configuration changes?
Aux

19. What type of network cable is used between a terminal and a console port?
rollover or Console cable

20. What 2 devices provide signal clocking for WAN serial transmission?
DCE
CSU/DSU

21. Which address does a bridge use to make filtering and switching decisions?
destination MAC

22. What are 2 technologies used in wireless data transmission?
Infrared RF
Radio Frequency

23. In a UTP crossover cable, which 2 pairs of pins are crossed?
1 and 2
3 and 6

24. Which layer of the OSI model addresses cable and connector type?
physical

25. What is the most widely used LAN technology?
Ethernet

26. What are the correct standards and pin locations for the Green/White and Green wire pair when building a crossover cable.?
568A
Pins 1 and 2
568B
Pins 3 and 6