Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ICT > Networks > Flashcards

Networks Flashcards

1
Q

Define “protocols”

A

Rules that allow the transmission and exchange of data between devices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Additional functionality provided by network OS?

A
  • Passing usernames and passwords to a server when a user logs in
  • Separating user accounts and ensuring users cannot access each other’s files
  • Providing access to network storage and shared resources
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the IP address?

A

A unique address that networked devices use to send data to each other

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How are IP addresses assigned?

A

By a network administrator or dynamically allocated by a server running Dynamic Host Configuration Protocol (DHCP)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is a DHCP server?

A

A networked computer that automatically assigns an address to other computers when they join the network

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Explain MAC address

A

Media Access Control is a universally unique identifier assigned to the NIC by the NIC manufacturer and is used in devices connected to LAN.

It is made up of six pairs of characters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Uses of MAC addresses:

A
  • Restricting or allowing access to a network
  • Identifying a device on a network
  • Tracking a device (by checking which wireless access points have been accessed by specific MAC addresses)
  • Assigning fixed IP addresses
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Types of cables:

A
  1. Cat5e cables
  2. Cat6 cables
  3. Fibre optic cables
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Cat5e cables connect devices through their ____

A

NICs (contains LEDs)

NICs allow the exchange of data from computers to networked computers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The function of wireless access points?

A

Allows devices with Wi-Fi connectivity to connect to a wired network

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The function of switches?

A

Connects devices on a network

Makes sure data sent from any device gets to the correct devices on a network

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The function of gateways?

A

Gateways connect two different types of network

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The function of routers?

A
  • Store the addresses of all devices that are connected to it
  • Reads the packet header
  • Takes the recipient’s address
  • Compares it against the addresses stored
  • Forwards network traffic to its destination using the quickest route
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How can wireless access points be used as boosters?

A

By setting them to repeater mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What does a server do?

A

A server is a computer that shares its resources with connected computers (clients)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Types of servers:

A
  • Authentication servers
  • Print servers (manage multiple printers and deal with print requests)
  • File servers (shared and private storage)
  • Application servers
  • Web servers
17
Q

What do web servers do?

A

They process requests for data made via HTTP

18
Q

Define HTTP

A

A set of standards that control how computer documents that are written in HTML connect to each other

19
Q

What do ISPs do?

A

ISPs provide connections to the telecommunications infrastructure that form the framework for the internet

ISPs provide access via mobile phone network or landline telephone network

20
Q

Define telecommunications infrastructure

A

A network of hardware facilities that are used to transfer data

21
Q

Define URL

A

Uniform Resource Locator: a website address

22
Q

What are peer-to-peer networks?

A

Computers share their resources with other computers in a network but do not access a server

23
Q

What are client-server networks?

A

Networks that use servers and clients

24
Q

Benefits of LAN:

A
  • Access to shared peripherals
  • Access to shared storage and data
  • Flexible access
  • Media streaming
  • Communication
  • Shared access to the internet
25
Q

Benefits of client-server networks:

A
  • Control of user access rights
  • Centralised administration
  • Centralised backup
  • Access to shared software
  • Access to shared storage
  • File access right
  • Roaming profiles
26
Q

Where is a firewall used?

A

A firewall is used at the gateway of a network

27
Q

What does a firewall do?

A

It controls the network traffic

It prevents unauthorized users from accessing network devices and resources

28
Q

Types of encryption:

A
  • Caesar cipher
  • Symmetric key encryption
  • Public key encryption
  • Wireless Encryption Protocol
  • Wi-Fi Protected Access
29
Q

VPN stands for

A

Virtual Private Network

30
Q

What does a VPN do?

A

It provides access to a private LAN from a remote location. The connection is made using the infrastructure of a public network like the internet

31
Q

Uses of VPN:

A
  • Accessing employer’s network when working from home
  • Accessing computers in a different geographical location
  • Making secure payments
  • Preventing surveillance of and access to web activity
32
Q

Purpose of transaction logs?

A

Used to identify which computers and network devices have been accessed.

Allows administrators to identify any unusual activity that might be a threat to data security

ICT (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions