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Compsci 108 Networking > Lesson 5 > Flashcards

Lesson 5 Flashcards

1
Q

Given the following information, identify the network address.

IP: 192.155.1.2

Subnet mask: 255.255.0.0

A

192.155.

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2
Q

_____ represents a standard IP address.

A

10101000.01001010.00000101.11100111

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3
Q

An IP address consists of the following two parts:

A

Network address and node address

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4
Q

Which of the following represents a Class B IP address?

A

172.16.81.100/15

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5
Q

The _____ of an IP address indicates the device.

Non-routable flag

Prefix

Suffix

Subnet

A

Suffix

The suffix of an IP indicates the device and is useful for the target de

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6
Q

How could a non-routable device send or receive messages on the Internet?

Restrict IP range to 10.0.0.0 -> 10.255.

Use Class D IP address values

A

Use network address translation

Network address translation (NAT) is used to provide an alias IP address

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7
Q

**The following IP address is most likely of what type of address class?

192.168.1.100**

Class D

Class B

Class A

Class C

A

class c

Your own home network is most likely in something like 192.168.1.1 and b

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8
Q

Given the following IP address, which numbers represent the network?

227.21.6.173

227.

227.21

6.173

6.

A

227.21

The first half of the IP address denotes the network.

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9
Q

What is a risk of the current addressing used in IPv4 addresses?

Additional address classes being a

Decreases in values on the suffixes

A

Running out of addresses

If every device had its own IP address, we would have run out. Thus, we

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10
Q

To which class does the IP address 236.128.192.140 belong?

Class E

Class A

Class B

Class D

A

D

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11
Q

An IP address is written in the form of _____ notation.

Dot

Binary

Period

Dotted Decimal

A

dotted decimal

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12
Q

Which type of address is assigned by an ISP to the computing device?

multicast address

logical address

public IP address

private IP address

A

public ip address

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13
Q

The range of address that can be used in the first octet of Class C address are _____.

192-223

0-127

240-255

128-191

A

192-223

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14
Q

What is one of the most significant benefits that IPv6 has in comparison to IPv4?

IPv6 can have almost unlimited IP ad

All of these answers are correct.

A

All of these answers are correct.

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15
Q

How many bits does an IPv6 address contain before it gets translated into a hexadecimal code for use in a network?

8

20

16

128

A

128

The primary IPv6 address that we use in a network environment has 128 bi

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16
Q

Of the multiple different addressing types mentioned, which is the odd one out that has no purpose in future IPv6 networking solutions?

Unicast

Multicast

Broadcast

Anycast

A

broadcast

The broadcast addressing type is only used in IPv4 because of the way we

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17
Q

When it comes to home networks, how is the primary IP address generated for all devices?

The modem genera

The router brand you have gives you a unique address.

A

The ISP assigns a static address to the location, which is translated through a NAT.

The ISP provides the base IP address to your location and must be transl

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18
Q

What is the maximum number of IP addresses that can be assigned through means of IPv4?

4.3 billion

4.3 trillion

4.3

None of these answers are correct.

A

4.3 billion

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19
Q

How are hostnames resolved?

Hostnames are already in-built in the computer systems and hence are re

A

Hostnames can be resolved either locally or remotely through the use of hosts file configured on a computer host locally or one designated for that purpose remotely.

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20
Q

What protocol do computer systems (hosts) use when communicating with each other on a network?

IP Addresses

URLs
IP Servers

OSI Models

A

IP Addresses

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21
Q

What is Hostname Resolution?

It is the process through which hosts on a network communicate with anot

A

It is the process through which an assigned hostname is resolved to its mapped IP Address for communication purposes.

Any request to access the computer system through its hostname is revers

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22
Q

What is a hostname or domain name used for?

It is used to uniquely identify a computer system (host) located on a co

A

It is used to uniquely identify a computer system (host) located on a computer network for easy referencing.

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23
Q

Why is it necessary for computer systems (hosts) to have a hostname or domain name?

It is necessary because every device has a name and so this should not b

A

It is necessary because it makes managing large numbers of computers located within a big office space or network easier to identify and accessed.

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24
Q

What range of addresses can be issued to a class C network?

192.0.0.0-223.255.255.255

10.0.0.0-126.0.0

0.0.0.0-255.255.255.255

A

192.0.0.0-223.255.255.255

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25
Q

In dotted decimal, which network numbering segment is reserved for loopback?

127.x.x.x

192.168.x.x

0.x.x.x

172.x.x.x

A

127.x.x.x

The 127.x.x.x is reserved for loopback functions.

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26
Q

A class A network has how many network bits set to on?

16

3

24

8

A

8 on

24 off

27
Q

Who was responsible for the creation of IPv4 protocols?

Google

IBM

DARPA

Lycos

A

DARPA

28
Q

What is variable length subnet masking used for?

It allows an IP address space to be divided into subnets of different si

A

It allows an IP address space to be divided into subnets of different sizes.

29
Q

If a company with a very low budget needs to lease a public IP address to access the Internet what would you advise and why?

Port Address Translation would be their best option as they can pay for

A

Port Address Translation would be their best option as they can pay for a single public IP address and share among the nodes within the network

30
Q

NAT serves which two main purposes?

Protecting the private network from the public domain and conserving the

A

Protecting the private network from the public domain and conserving the availability of public IP addresses.

31
Q

In a company setup where users are required to work from home when needed, what is the best address translation?

Port Address Translation

Dynamic NAT

Static NAT

NAT

A

Static NAT

With Static NAT address mapping, a private IP address is mapped permanen

32
Q

What is Address Translation(AT)?

AT is m

AT is converting public IP addresses into private IP addresses

A

AT is mapping private IP addresses to public IP addresses

Address Translation (AT) refers to the manipulation of IP addresses used

33
Q

The different types of Address Translations are _____

Static Network Address Transformation Dynamic Network Address Transforma

A

Static Network Address Translation, Dynamic Network Address Translation. Port Address Translation

34
Q

What is a routing protocol?

It’s the way in which a router, connected to a network, routes traffic a

A

It’s the way in which a router, connected to a network, routes traffic among nodes in the network.

A routing protocol is the criteria a router, connected to a network syst

35
Q

IGPs use _____, _____, and _____ criteria to determine data packet routes.

network speed, delays, and

network bandwidth, delays, and packet sizes

A

network speed, delays, and packet sizes

IGRP uses certain criteria to determine the best path for a packet trans

36
Q

The main difference between Interior Gateway Protocol (IGP) and Exterior Gateway Protocol (EGP) is _____.

EGPs operate between dist

IGPs operate between hops on the same network

A

IGPs operate between nodes on the same network

EGPs operate between nodes of different networks

IGPs operate between nodes on the WAN while EGPs operate between nodes o

37
Q

What are the two main routing classifications?

Internet Protoc

External Gateway Protocol and Internet Protocol Router

A

Interior and Exterior Gateway Protocols

Routing protocols belong to two main classifications, interior and exter

38
Q

What criteria do EGPs use to determine data packet routes?

locations, external address

locations, cost metrics, and optimal paths

A

locations, cost metrics, and optimal paths

The routing information exchanged using EGP includes details on routers,

39
Q

Which of the following types of routing do NOT carry a subnet mask?

Classful routing

None of these

Routing tables

Classless routing

A

classful routing

40
Q

Which of the following best defines the Routing Information Protocol?

It

It is a method for preventing hackers from infiltrating a network.

A

It is a standard used by routers that dictates how data should be shared between a group of individual networks.

41
Q

Which of the following refers to the path a data packet travels through to reach each router?

Skips

Hops

Routes

Jumps

A

hops

42
Q

What is the difference between RIPv1 and RIPv2?

RIPv1 utilizes c

RIPv1 and RIPv2 each have their own routing protocol.

A

RIPv1 utilizes classful routing whereas RIPv2 uses classless routing.

43
Q

Select the term that best completes the sentence.

RIP routers contain _____, a dynamic list of destinations that it can send data to.

routes

classful routing

routing tables

hops

A

Routing tables

44
Q

IPv4 represents a _____-bit integer and IPv6 represents a _____-bit alphanumeric string.

32, 128

64, 128

32, 64

24, 48

A

32, 128

45
Q

What is zero compression?

The abil

The ability to reduce zeros in an address in an Ipv6 address.

A

The ability to reduce zeros in an address in an Ipv6 address.

46
Q

The three distance protocols that route information to other nodes that aren’t on the same subnet are?

RIP, OSPF, EIGRP

DHCP, DNS, RFC

RPC, IETF, HTTP

All of these

A

RIP, OSPF and EIGRP

47
Q

Traffic passed on a network between two nodes on the same subnet:

None of these.

Requires R

Requires OSPF to send between the nodes.

A

None of these.

None of these are required as the switch will likely be physically conne

48
Q

What does DHCP do for computer nodes?

It changes the numeric addresses into names for easier identification.

A

It issues numeric IP addresses to nodes that request them.

49
Q

Which of the following actions is allowed because of a switch?

An HR

Sending a photo from your office computer to your home computer.

A

Being able to send a document from your office computer to a printer several offices away.

50
Q

Which of the following actions would be allowed because of a router?

An HR specialist in

Blocking a computer virus from accessing a laptop.

A

An HR specialist in one location is able to pull employee data from a department located in another building

51
Q

Select the term that best completes the sentence.

A(n) _____ is a network that is closed off from the Internet and only accessible from within a company.

intranet

Internet

switch

router

A

An intranet

52
Q

In terms of computer networking, what is a switch?

A device that allows for seve

A tool used to control lights in a room.

A

A computer networking device that allows for computers and other devices to be connected together in a general area, usually in a building.

53
Q

In terms of computer networking, what is a router?

A device that is used to assist electricians in routing wires and other

A

A device that allows for several individual networks to be connected to each other.

54
Q

Which of the following best describes what a router is?

Routers contain a computer’

It is where an operating system is stored.

A

It is a networking device that allows separate individual networks of computers to connect with one another.

55
Q

What is the difference between WAN and LAN ports?

LAN ports connect the CPU

WAN ports connect the router to the Internet.

A

WAN (Wide Area Network) ports connect the router to the Internet.

LAN (Local Area Network) ports connect computers to the router.

56
Q

Which of the following is NOT a component of a router?

Ports

NVRAM

RAM

Graphics card

A

A graphics card

57
Q

Which of the following contains a set of rules that determine exactly where data will be directed to over a network?

IOS

ROM

Bootstrap

Routing table

A

Routing table

58
Q

On which component can a router’s operating system be found?

ROM

Flash memory

Ports

IOS

A

flash memory.

59
Q

Which switch component allows for devices to be connected to the switch?

Switch Fabric

Ports

RAM

Forwarding Engine

A

ports

60
Q

A _____ is a device that is used to create a network of computers and other devices.

A

switch

61
Q

Which of the following is responsible for the switch’s long-term memory?

A

ROM

62
Q

Which of the following is NOT a component of a network switch?

A

The bypass engine

The Bypass Engine is not a component of a switch.

63
Q

Which two components enable a switch fabric to operate?

A

Controllers and buffers

Compsci 108 Networking (19 decks)

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