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Computer Networks

Total questions: 35

Worksheet time: 26mins

Name
Class
Date
1.

Which network device connects multiple networks using a routing table to determine the best path to forward a packet to the destination network?

a)

Router

b)

Switch

c)

Bridge

d)

Hub

2.

Which address type does a router use for the determination of the route to forward packets?

a)

Source IP address

b)

Destination IP address

c)

Source MAC address

d)

Destination IP address

3.

What's the primary purpose of a router?

a)

Deliver packets to PC's on local segments.

b)

It controls the data flow of Layer 2 addresses.

c)

It provides Layer 2 address data segmentation.

d)

Deliver packets to different networks using the best available path.

e)

It provides Layer 2 ARP forwarding.

4.

Which nonvolatile memory holds the IOS and other system files?

a)

Flash memory

b)

RAM

c)

NVRAM

d)

ROM

5.

Which protocol would you use to create a copy of the email from your email server?

a)

FTP

b)

IMAP

c)

POP3

d)

HTTP

6.

Which protocol would download the email from to your computer and delete it from the server?

a)

FTP

b)

SMTP

c)

POP3

d)

IMAP

7.
Which protocol governs the way we transfer and load hypertext?
a)
FTP
b)
SMTP
c)
POP3
d)
HTTP
8.

SMTP is the general email protocol for sending emails between servers

a)

True

b)

False

9.
Which part of TCP/IP prepares the message for being sent and reassembles any incoming messages?
a)
TCP
b)
IP
10.
POP3, IMAP and FTP are all email protocols
a)
True
b)
False
11.

Select the correct definition of TCP / IP

a)

TCP - splits and reassembles data packets

IP - assigns and reads packet addresses

b)

TCP - assigns and reads packet addresses

IP - splits and reassembles data packets

12.

Select every email protocol

a)

IMAP

b)

SMTP

c)

POP3

d)

TCP/IP

13.

Select TWO rules TCP/IP must follow?

a)

Senders computer name

b)

Packets are numbered

c)

Error Check

d)

None of the above

14.
Straight through used to connect these devices except __________________
a)
Switch-to-Router
b)
Switch-to-PC
c)
Router-to-Server
d)
PC-to-PC
15.
It is used to view routing table. 
a)
Show IP route
b)
Show Interface
c)
Show IP Interface brief
d)
Show running-config
16.
Cross-over used to connect the following devices EXCEPT ___________________
a)
Switch-to-Switch
b)
PC-to-PC
c)
Switch-to-Hub
d)
Hub-to-PC
17.

Where in Packet Tracer can you create a new building or wiring closet?

a)

virtual workspace

b)

logical workspace

c)

simulated workspace

d)

physical workspace

18.

How do you display the interface number where the cable is attached to a device?

a)

The labels must always be manually entered.

b)

On the config tab of device, choose show interface number.

c)

Enter no shutdown command in interface configuration mode.

d)

Hover the mouse cursor over the cable

19.

The ping will work on the newly added PC as soon as the link lights turn green.

a)

True

b)

False

20.

This is

a)

WAN

b)

LAN

c)

School network

21.
a)

copper cable

b)

fiber optic cable

c)

coaxial cable

22.

What does this icon represent?

a)

Create a complex PDU

b)

Investigate device tab

c)

Create note

d)

Select city view

23.

What is at the top of the DNS Hierarchy?

a)

Root

b)

Top Level Domain

c)

Second Level Domain

d)

Subdomain

24.

DNS maps human, readable domain names into actual ___.

a)

IP addresses.

b)

domain names.

c)

servers.

d)

caches.

25.

What is the most frequently used communications protocol?

a)

IPv4

b)

IPv6

c)

IPv8

d)

IPv10

26.

How many classes of IP addresses are there?

a)

2

b)

3

c)

4

d)

5

27.

Which octet determines the class of an IP address?

a)

First

b)

Second

c)

Third

d)

Fourth

28.

What class is the following IP address? 220.10.10.35

a)

A

b)

B

c)

C

d)

D

29.

Which description below is a Class C network address?

a)

network. host. host.host

b)

network.network.host.host

c)

network.network.network.host

30.

Which class of network addresses is used by government, ISPs and large universities.

a)

Class A

b)

Class B

c)

Class C

d)

Class D

31.

Which type of address are exposed to the Internet?

a)

Public

b)

Private

32.

How many total number of hosts available in the Class C network?

a)

65536

b)

128

c)

127

d)

256

33.

which one is the loopback ip address?

a)

169.254.0.1

b)

0.0.0.0

c)

127.30.23.13

d)

128.0.0.1

34.

which one is the APIPA address ?

a)

169.255.0.5

b)

169.254.255.254

c)

169.255.254.255

d)

169.255.255.254

35.

Which one of the following is a Class D IP address?

a)

224.169.169.254

b)

240.39.39.240

c)

241.255.255.10

d)

223.10.10.10

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