CCNA V3.1
Semestre 1 - Module 5

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1 Which layer of the OSI model covers physical media?

* Layer 1

Layer 2

Layer 3

Layer 4

Layer 5

Layer 6

2 Which of the following companies are responsible for creating and implementing the first Ethernet LAN specifications? (Choose three.)

* Intel

Cisco

* Digital

* Xerox

Microsoft

Hewlett Packard

3 Which type of connector supports 100BASE-T Ethernet over Category 5e UTP?

BNC

* RJ-45

S/T MIC

RJ-46

4 In which of the following situations would a straight-through cable be used? (Choose three.)

router to router

router to PC

* router to switch

* PC to hub

switch to hub

* switch to PC

5 What are the reasons for the Four Repeater Rule of 10 Mbps Ethernet? (Choose two.)

to reduce total attenuation

to prevent microsegmentation

* to prevent late collisions

to prevent bit slippage

* to limit latency

6 Which of the following are benefits of wireless networks when compared to wired networks? (Choose two.)

higher data speeds

better security

* mobility

less expensive NIC cards

* no need to run cables to hosts

no transceivers required

7 Which of the following are hub types? (Choose three.)

LAN

core

* active

* passive

* intelligent

convergent

8 Which of the following are other names for a hub? (Choose two.)

* concentrator

transceiver

switch

bridge

* multiport repeater

active host

9 Which of the following are benefits of peer-to-peer networks? (Choose three.)

centralized security

* easy to create

very scalable

* no centralized equipment required

* centralized administrator not required

centralized control of assets

10 What are advantages of client/server networks? (Choose three.)

* centralized security

single point of failure

* centralized backups

lower operating costs

* enhanced network services

users control their own resources

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

25

15

* 10

5

2

12 What are the two basic functions of a switch? (Choose two.)

* switching data frames

cost effective operation

switching Layer 3 traffic

* build and maintain tables

isolating packets on the LAN

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

hub

joystick

* transceiver

router

WIC

vNIC

14 At which layer of the OSI model is a NIC classified?

physical

* data link

network

transport

15 Which protocol is typically used to carry data over an ISDN B channel?

* PPP

SLIP

PAP

Frame Relay

16 An ISDN BRI connection is composed of how many bearer channels?

1

* 2

3

4

17 Which port on a router is used with a modem to make configuration changes?

Console

* Aux

BRI

Ethernet

18 What type of network cable is used between a terminal and a console port?

cross-over

straight-through

* rollover

patch cable

19 Which devices provide signal clocking for WAN serial transmission? (Choose two.)

switch

* DCE

server

DTE

* CSU/DSU

20 Which address does a bridge use to make filtering and switching decisions?

source MAC

source IP

* destination MAC

destination IP

network IP address

21 Which of the following are technologies used in wireless data transmission? (Choose two.)

Cat5

* IR

TIA/EIA

* RF

IEEE

22 In a UTP crossover cable, which pairs of pins are crossed? (Choose two.)

* 1 and 2

3 and 5

7 and 8

* 3 and 6

5 and 7

1 and 3

23 Which layer of the OSI model addresses cable and connector type?

application

presentation

transport

network

data link

* physical

24 What is the most widely used LAN technology?

FDDI

coaxial

* Ethernet

token-ring

25 Select the correct standards and pin locations for the Green/White and Green wire pair when building a crossover cable. (Choose two.)

* 568A = 1 and 2

568A = 3 and 6

568A = 4 and 5

568B = 1 and 2

* 568B = 3 and 6

568B = 4 and 5

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