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Compsci 108 Networking > Exam 5 > Flashcards

Exam 5 Flashcards

1
Q

Which of the following statements is true?

MAC and IP addresses need to work in parallel for effective communication.

NICs are hardwired with IP and MAC addresses.

MAC and IP addresses can both work independently depending on the environment.

MAC addresses can route data packets over the internet independent of IP addresses.

A

MAC and IP addresses need to work in parallel for effective communication.

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2
Q

What is the difference between RIPv1 and RIPv2?

RIPv1 utilizes classful routing whereas RIPv2 uses classless routing.

RIPv1 uses classless routing, but RIPv2 uses classful routing.

RIPv1 and RIPv2 each have their own routing protocol.

RIPv1 uses the Routing Information Protocol and RIPv2 does not.

A

RIPv1 utilizes classful routing whereas RIPv2 uses classless routing.

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3
Q

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

  • 0.x.x.x
  • 192.168.x.x
  • 127.x.x.x
  • 172.x.x.x
A

127.x.x.x

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4
Q

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

192.168.1.100

Class C

Class D

Class B

Class A

A

Class C

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5
Q

What criteria do EGPs use to determine data packet routes?

locations, cost metrics, and optimal paths

locations, external addresses, and optimal paths

domain names, cost metrics, and optimal paths

locations, cost metrics, and bandwidth

A

locations, cost metrics, and optimal paths

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6
Q

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

Requires EIGRP to send between the nodes.

Requires OSPF to send between the nodes.

None of these.

Requires RIP to send between the nodes.

A

None of these.

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7
Q

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

  • Being able to send a document from your office computer to a printer several offices away.
  • An HR specialist in one location is able to pull employee data from a department located in another building.
  • Saving a slideshow presentation in HD.
  • 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.

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8
Q

Given the following information, identify the network address.

IP: 192.155.1.2

Subnet mask: 255.255.0.0

255.0.0

192.155.

155.1.

255.255.

A

192.155.

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9
Q

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

Bypass Engine

Switch Fabric

CPU

Replication Engine

A

Bypass Engine

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10
Q

The different types of Address Translations are _____

  • Static Network Address Transformation Dynamic Network Address Transformation. Port Address Translation
  • Static Network Address Translation, Dynamic Network Address Translation. Port Address Translation
  • Statin Network Address Translation, Dynamic Network Address Translation. Support Address Translation
  • Gateway Network Address Translation, Dynamic Network Address Translation. Web Address Translation
A

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

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11
Q

How are hostnames resolved?

  • Hostnames are resolved through an Internationally designated body saddled with the task.
  • 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.
  • Hostnames are already in-built in the computer systems and hence are resolved on their own.
  • Hostnames are resolved locally and remotely on a servers.
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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12
Q

The Subnet is a _____ of a computer network.

portion

Mask

interface

host

A

portion

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13
Q

An IPv4 Address is how many bits in length?

16 bits

4 bits

32 bits

256 bits

A

32 bits

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14
Q

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

Bootstrap

Routing table

IOS

ROM

A

routing table

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15
Q

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

Multicast

Unicast

Anycast

Broadcast

A

broadcast

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16
Q

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

0-127

192-223

128-191

240-255

A

192-223

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17
Q

How does the MAC Address differ from an IP address?

The MAC address is dynamically assigned each time a device establishes a new connection in a network.

The MAC address carries only network addressing information.

The MAC address is a hardwired number, permanent and unique to a device’s NIC.

The MAC address operates in the Network layer of the TCP/IP stack.

A

The MAC address is a hardwired number, permanent and unique to a device’s NIC.

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18
Q

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

Classless routing

None of these

Classful routing

Routing tables

A

Classful routing

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19
Q

Who was responsible for the creation of IPv4 protocols?

Lycos

DARPA

Google

IBM

A

DARPA

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20
Q

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

227.21.6.173

227.

6.173

6.

227.21

A

227.21

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21
Q

What are the two main routing classifications?

Internet Protocol Router and External Hop Counter

Internet Gateway Protocol and External Gateway Protocol

External Gateway Protocol and Internet Protocol Router

Interior and Exterior Gateway Protocols

A

Interior and Exterior Gateway Protocols

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22
Q

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

32, 128

64, 128

32, 64

24, 48

A

32, 128

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23
Q

In terms of computer networking, what is a router?

  • A computer networking device that allows for computers and other devices to be connected together in a general area.
  • A tool used to prevent computer viruses from accessing a computer.
  • A device that is used to assist electricians in routing wires and other cables through a wall.
  • A device that allows for several individual networks to be connected to each other.
A

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

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24
Q

Which of the following represents a Class B IP address?

172.16.81.100/1
172.16.81.100/3
172.16.81.100/15
172.16.81.100/23

A

172.16.81.100/15

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25
Q

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

Replication Engine

CPU

switch

Switch Fabric

A

Switch

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26
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?

Employing a single ISP would be the best option. they sign up for the public Ip addresses they need

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

Dynamic NAT would be their best option as they can pay for a single public IP address and share among the nodes within the network. The address would be available to any user on demand.

Static NAT would be their best option as it would enable them to access their computers remotely.

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

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27
Q

What is Hostname Resolution?

  • It is the process through which an assigned hostname is resolved to its mapped IP Address for communication purposes.
  • It is the process through which hostnames are separated from each other using a router.
  • It is the process through which hosts on a network communicate with another.
  • It is the process through which hostnames are reserved for use on another network.
A

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

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28
Q

What are the two main problems resolved via network segmentation?

computer reachability and addressing

network congestion and security

roads and junctions

IP addresses and subnets

A

network congestion and security

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29
Q

EIGRP sends payloads from node to node in what manner?

By advertising all table routes every 30 seconds.

By building a table based upon specific data sets like MTU, bandwidth, etc. and sending the packet along the best course determined by the table.

Through communication with neighbors to build route tables then by going to the shortest number of nodes for a destination.

None of these.

A

By building a table based upon specific data sets like MTU, bandwidth, etc. and sending the packet along the best course determined by the table.

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30
Q

What is the difference between WAN and LAN ports?

  • WAN ports connect computers to the router. LAN ports connect a router’s ROM to the RAM.
  • WAN ports connect computers to the router. LAN ports connect the router to the Internet.
  • WAN ports connect the router to the Internet. LAN ports connect computers to the router.
  • WAN ports connect the router to the Internet. LAN ports connect the CPU to a computer
A

WAN ports connect the router to the Internet.

LAN ports connect computers to the router.

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31
Q

How does RIP route payloads?

All of these.

By advertising a connected table to all neighbors every 30 seconds.

By using a table built upon specific informational pieces to determine the best path to send the payload.

Through communication with neighbors to build route tables then by going to the shortest number of nodes for a destination.

A

By advertising a connected table to all neighbors every 30 seconds.

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32
Q

_____ represents a standard IP address.

10101000.01001010.00000101.11100111
1010000.01001010.00011001.11111111
10101000.01001010.00011001.1111111
10101000.01001010.0001001.11111111

A

10101000.01001010.00000101.11100111

32 bits

33
Q

Which of the following best defines the Routing Information Protocol?

It is a standard that determines what information is most valuable to an end user.

It is a way for computers to manage their hard drives.

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

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

A

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

34
Q

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

4.3 million

4.3 billion

4.3 trillion

None of these answers are correct.

A

4.3 billion

35
Q

What is Address Translation(AT)?

AT is mapping private IP addresses to public IP addresses

AT is transposing private IP addresses into public IP addresses

AT is converting public IP addresses into private IP addresses

AT is converting private IP addresses into public IP addresses

A

AT is mapping private IP addresses to public IP addresses

36
Q

The _____ of an IP address indicates the device.

Subnet

Suffix

Non-routable flag

Prefix

A

Suffix

37
Q

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

Binary

Period

Dot

Dotted Decimal

A

Dotted Decimal

38
Q

What is an IP address?

An IP (Internet Protocol) address is used to identify a computer.

An IP (Internet Protocol) address is a series of numbers which is used to identify a device within a network environment.

An IP (Internet Protocol) address is a series of hardwired numbers which is used to identify a network environment.

An IP (Internet Protocol) address is used to identify a NIC.

A

An IP (Internet Protocol) address is a series of numbers which is used to identify a device within a network environment.

39
Q

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

ROM

RAM

Ports

CPU

A

ROM

40
Q

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

  • Ports
  • ROM
  • IOS
  • Flash memory
A

Flash Memory

41
Q

A subnet mask _____.

  • indicates the network address within the IP address
  • represents the network address of a node
  • indicates a secondary 32-bit binary address
  • is a shadow 32-bit binary address of the IP
A

indicates the network address within the IP address

42
Q

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

  • network bandwidth, delays, and packet sizes
  • network speed, delays, and packet sizes
  • network speed, IP addresses, and packet sizes
  • network speed, delays, and RP specifications
A

network speed, delays, and packet sizes

43
Q

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

  • Static NAT
  • NAT
  • Dynamic NAT
  • Port Address Translation
A

Static NAT

44
Q

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

  • Use Class D IP address values
  • Non-routable devices are not allowed any Internet access
  • Use network address translation
  • Restrict IP range to 10.0.0.0 -> 10.255.255.255
A

Use network address translation

45
Q

To which class does the IP address 236.128.192.140 belong?

  • Class A
  • Class D
  • Class B
  • Class E
A

Class D

46
Q

Why are addresses important in networking?

They are used to establish the network layer of the operating environment.

They identify the layers in the TCP/IP Stack.

They are used to reveal the name of the device.

They are used to identify both the network to which the device is connected to as well as the device itself.

A

They are used to identify both the network to which the device is connected to as well as the device itself.

47
Q

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

  • It is necessary because it is an international standard which must be followed.
  • It is necessary because it differentiates it from other people’s computer systems.
  • It is necessary because it makes managing large numbers of computers located within a big office space or network easier to identify and accessed.
  • It is necessary because every device has a name and so this should not be different.
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.

48
Q

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

  • 172.10.0.0-191.255.255.255
  • 10.0.0.0-126.0.0.0
  • 192.0.0.0-223.255.255.255
  • 0.0.0.0-255.255.255.255
A

192.0.0.0-223.255.255.255

49
Q

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

  • NVRAM
  • RAM
  • Graphics card
  • Ports
A

Graphics card

50
Q

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

  • An HR specialist being able to access employee information from a department located in another building.
  • Sending a photo from your office computer to your home computer.
  • Being able to send a document from your office computer to a printer several offices away.
  • Accessing a website on the internet.
A

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

51
Q

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

The router brand you have gives you a unique address.

The modem generates one by default.

All of these answers are correct.

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

A

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

52
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

router

Internet

switch

A

intranet

53
Q

Where is the subnet address contained?

in the host ID

in the Subnet Mask

in the Subnet Mask and is extracted via the IP Address

in the IP Address and is extracted via the Subnet Mask

A

in the IP Address and is extracted via the Subnet Mask

54
Q

NAT serves which two main purposes?

  • Protecting the private network from the public domain and conserving the dynamic public IP addresses.
  • Protecting the public network from the private domain and conserving the availability of static IP addresses.
  • Protecting the public network from the Internet and conserving the availability of public IP addresses.
  • Protecting the private network from the public domain and conserving the availability of public IP addresses.
A

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

55
Q

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

Decreases in values on the suffixes

Increase of values to the prefixes

Running out of addresses

Additional address classes being added

A

Running out of addresses

56
Q

How many bits are present in an octet?

8

5

4

16

A

8

57
Q

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

24

16

3

8

A

8

58
Q

Select the term that best completes the sentence.

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

classful routing

hops

routing tables

routes

A

routing tables

59
Q

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

IPv6 encrypts all packets, paving the way for increased security.

IPv6 can have almost unlimited IP addresses.

IPv6 does not need to rely on a NAT.

All of these answers are correct.

A

All of these answers are correct.

60
Q

How does OSPF find the shortest path for a payload to go?

None of these

Through vector tables that maintain a series of informational pieces that determine the best course dynamically.

Through communication with neighbors to build route tables, then by going to the shortest number of nodes for a destination.

Through advertisements to neighbors every 30 seconds

A

Through communication with neighbors to build route tables, then by going to the shortest number of nodes for a destination.

61
Q

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

IP Servers
OSI Models
URLs
IP Addresses

A

IP Addresses

62
Q

What does a Subnet Mask provide?

The number of hosts connected to the computer network

The full IP address

The host ID

A way to extract the portion of an IP Address indicating the subnet and the part referring to the specific host

A

A way to extract the portion of an IP Address indicating the subnet and the part referring to the specific host

63
Q

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

  • IGPs operate between ISPs & EGPs operate between LANs
  • IGPs operate similar routing tables on the same network & EGPs operate between different routing tables of the same network.
  • IGPs operate between nodes on the same network
    & EGPs operate between nodes of different networks
  • IGPs operate between hops on the same network & EGPs operate between distances of different networks
A

IGPs operate between nodes on the same network
& EGPs operate between nodes of different networks

64
Q

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

multicast address

private IP address

public IP address

logical address

A

public IP address

65
Q

IP Addresses operate within the _____ layer of the TCP/IP protocol.

Network Layer

Physical Layer

Data Link Layer

Application Layer

A

Network Layer

66
Q

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

Routes

Jumps

Hops

Skips

A

hops

67
Q

What information is carried in the IP Address?

subnet and single trunk address

door number and group color

host ID and subnet address

host ID and performance

A

host ID and subnet address

68
Q

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

227.21.6.173

Report an Error

6.173

227.

6.

227.21

A

227.21

69
Q

Which two components enable a switch fabric to operate?

CPU and Controller

Forwarding and Replication Engines

ROM and RAM

Controller and Buffers

A

Controller and Buffers

70
Q

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

20

128

16

8

A

128

71
Q

What is a routing protocol?

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

It’s the protocol used by the internet to determine router addresses.

The rules that govern the number of hops in a routing transmission.

It’s the protocol used to transmit information over a network.

A

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

72
Q

An IP address consists of the following two parts:

Machine address and internet address

Network address and subnet address

Network address and node address

Virtual address and network address

A

Network address and node address

73
Q

A class C has how many bits on in its subnet?
Report an Error

32

4

24

8

A

24

74
Q

What is zero compression?

An algorithm that reduces a file to zero bytes.

The ability to compress down zeros to a smaller size in bits.

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

None of these.

A

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

75
Q

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

Switch Fabric

Ports

RAM

Forwarding Engine

A

Ports

76
Q

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

DHCP, DNS, RFC

RIP, OSPF, EIGRP

All of these

RPC, IETF, HTTP

A

RIP, OSPF, EIGRP

77
Q

What is a hostname or domain name used for?

It is a name given to a website and the server.
It is a security requirement.
It is used for naming a device or computer system.
It is used to uniquely identify a computer system (host) located on a computer network for easy referencing.

A

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

78
Q

What does DHCP do for computer nodes?

None of these.

It issues numeric IP addresses to nodes that request them.

It produces numbers and stores them for future use.

It changes the numeric addresses into names for easier identification.

A

It issues numeric IP addresses to nodes that request them.

79
Q

A subnet mask____.

indicates a secondary 32-bit binary address
indicates the network address within IP address
is a shadow 32-bit binary address of the IP
represents the network address of a node

A

indicates the network address within IP address

Compsci 108 Networking (19 decks)

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