CCNA V3.1
Semestre 1 - Module 10

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1 Which of the following is the address that is changed when a frame is received at a router interface?

IP address

IPX address

* MAC address

Port address

2 Which of the following OSI layers offers reliable, connection-oriented data communication services?

session

* transport

network

data link

3 Which IP packet field will prevent endless loops?

type-of-service

identification

flags

* time-to-live

header checksum

4 Which processes occur each time a packet is switched from one router interface to another? (Choose two.)

* encapsulation

ARP

RARP

* de-encapsulation

circuit switching

FastForward switching

5 Which of the following are routed protocols? (Choose three.)

* IP

BGP

* XNS

RIP

OSPF

* DECnet

6 Which of the following describes path determination at the network layer?

router compares available ARP table information to select the best path

router uses routed protocol to determine the best path for data transmission

* router compares available routing table information to select the best path

router uses a routing protocol to compare LAN equipment to route data through

switch compares available routing table information to select the best path

7 What do routers use to exchange topological information?

protocol styles

* routing protocols

MAC addresses

RARP addresses

network topologies

8 Which of the following are metrics used with routing protocols? (Choose three.)

algorithm

* delay

convergence

* cost

* reliability

optimization

9 Which of the following are link-state routing protocols? (Choose two.)

RIPv1

IGRP

* OSPF

* IS-IS

EIGRP

RIPv2

10 Which of the following are benefits of subnetting? (Choose three.)

* smaller broadcast domains

larger collision domains

* low-level security provided

fewer broadcast domains

* increased address flexibility

larger broadcast domains

11 Given a host with the IP address 172.32.65.13 and a default subnet mask, to which network does the host belong?

172.32.65.0

172.32.65.32

* 172.32.0.0

172.32.32.0

12 A small company has a class C network license and needs to create five usable subnets, each subnet capable of accommodating at least 20 hosts. Which of the following is the appropriate subnet mask?

255.255.255.0

255.255.255.192

* 255.255.255.224

255.255.255.240

13 How many bits are available for Class B host IP addresses using the default subnet mask?

1

4

8

14

* 16

24

14 Which two statements are accurate about subnet addressing? (Choose two.)

Host bits are all equal to 1 in the network address.

* Host bits of the network address are all equal to 0.

Network address host bits are equal in value to the value of the fourth octet of the subnet mask.

* Host bits of the broadcast address are all equal to 1.

Host bits of the broadcast address are all equal to 0.

Host bits of the broadcast address are equal in value to the value of the fourth octet of the subnet mask.

15 How many usable subnets are created by applying the subnet mask 255.255.255.0 to a Class B network?

256

255

* 254

512

511

510

16 Which process do routers use to determine the subnet network address based upon a given IP address and subnet mask?

binary adding

hexadecimal anding

binary division

binary multiplication

* binary ANDing

17 Which statements describe the effect a broadcast storm has on networking equipment? (Choose two.)

* Switches forward broadcast storms.

* By default, routers do not forward broadcast storms.

Switches provide security and bandwidth control to overcome broadcast storms.

Routers forward broadcast storms.

18 What information is listed in routing tables? (Choose three.)

* protocol types

encapsulations

* metrics

MAC addresses

inbound interfaces

* outbound interfaces

19 Which routing metric is used by RIPv1?

bandwidth

load

delay

reliability

* hop count

cost

20 Which statements describe Layer 2 and Layer 3 packet address changes as the packet traverses from router to router? (Choose two.)

Layer 3 header is removed and replaced at every Layer 3 device.

Layer 2 and Layer 3 addresses do not change when the packet traverse.

* Layer 3 source and destination addresses do not change when the packet traverse.

* Layer 2 frame header and trailer are removed and replaced at every Layer 3 device.

Layer 2 source and destination addresses do not change when the packet travels.

21 What are the differences between routers and switches? (Choose two.)

Routers and switches operate exactly the same.

* Routers make forwarding decisions using IP addresses, but switches use MAC addresses.

Routers forward broadcasts and switches do not.

* Switches forward broadcasts and routers do not.

Routers operate faster than switches.

Switches provide more security than routers.

22 What are two functions of a routing protocol? (Choose two.)

defines the format and use of the fields within a packet

* provides processes for sharing route information

* communicates with other routers

provides MAC address information that allows a router to forward data over a WAN

determines the OUI

23 Which of the following describes IP?

IP is the primary layer 4 protocol used on the Internet.

IP is a reliable protocol.

* IP is a connectionless protocol.

IP is designed to operate over Ethernet.

24 How many usable class C subnetworks are created with a subnet mask of 255.255.255.224?

1

2

3

4

5

* 6

25 Company XYZ uses a network address of 192.168.4.0. It uses the mask of 255.255.255.224 to create subnets. What is the maximum number of usable hosts in each subnet?

6

14

* 30

62

26 Which are the network and broadcast addresses when given an IP host address of 198.101.6.55/28? (Choose two.)

198.101.6.0

198.101.6.32

* 198.101.6.48

198.101.6.57

* 198.101.6.63

198.101.6.255

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