Chapter 6: Network Part 2

Question 1

Which network type connects devices within a limited geographical area, such as a single building?

Answer 1

c) LAN

A Local Area Network connects devices within a limited geographical area.

Question 2

A wireless version of a LAN is known as a:

Answer 2

c) WLAN

WLAN stands for Wireless Local Area Network.

Question 3

Which network spans a vast geographical area, potentially encompassing the entire globe?

Answer 3

d) WAN

A Wide Area Network spans a vast geographical area.

Question 4

A network dedicated to data storage is called a:

Answer 4

c) SAN

SAN stands for Storage Area Network.

Question 5

What type of network logically segments a LAN to group devices across different physical locations?

Answer 5

c) VLAN

VLAN stands for Virtual Local Area Network.

Question 6

A network typically used for personal devices within a small area is a:

Answer 6

d) PAN

PAN stands for Personal Area Network.

Question 7

In a star topology, what happens if the central hub fails?

Answer 7

c) The entire network goes down

In a star topology, the central hub is crucial for connectivity.

Question 8

Which topology uses a single communication line shared by all devices, potentially creating a bottleneck?

Answer 8

d) Bus Topology

A bus topology has a single shared communication line.

Question 9

Which topology is characterised by a circular pathway for data and is vulnerable to failure if one connection breaks?

Answer 9

c) Ring Topology

A ring topology is vulnerable to a single point of failure.

Question 10

Which topology provides high redundancy through multiple connections between nodes, often used in critical systems?

Answer 10

d) Mesh Topology

Mesh topology uses multiple paths for redundancy.

Question 11

What is the predominant technology for local area networking, governed by IEEE standards?

Answer 11

c) Ethernet

Ethernet is the dominant LAN technology.

Question 12

Which connector type is commonly used with wired Ethernet connections?

Answer 12

c) RJ-45

RJ-45 connectors are standard for wired Ethernet.

Question 13

Fiber-optic Ethernet is best suited for:

Answer 13

d) Long distances, high bandwidth

Fiber optic Ethernet excels at long distances and high bandwidth.

Question 14

Which layer of the OSI model is responsible for node-to-node data transfer and error detection?

Answer 14

c) Data Link Layer

The data link layer handles node-to-node communication.

Question 15

In the OSI model, which layer manages sessions between applications?

Answer 15

b) Session Layer

The session layer manages communication sessions.

Question 16

Which layer of the OSI model handles the physical transmission of raw bit streams?

Answer 16

b) Physical Layer

The physical layer deals with the physical transmission of data.

Question 17

Which layer of the TCP/IP model handles addressing and routing of packets?

Answer 17

c) Internet Layer

The internet layer handles addressing and routing.

Question 18

IPv4 addresses use a ______-bit format.

Answer 18

c) 32

IPv4 uses a 32-bit address.

Question 19

IPv6 addresses use a ______-bit format.

Answer 19

b) 128

IPv6 uses a 128-bit address.

Question 20

Subnet masks are used to divide an IP address into which two parts?

Answer 20

a) Network and Host

Subnet masks divide the IP address into network and host portions.

Question 21

A permanently assigned IP address is known as a:

Answer 21

b) Static IP

A static IP address is permanently assigned.

Question 22

Which server automatically assigns dynamic IP addresses?

Answer 22

c) DHCP Server

A DHCP server dynamically assigns IP addresses.

Question 23

DNS translates human-readable domain names into:

Answer 23

c) IP addresses

DNS translates domain names to IP addresses.

Question 24

What type of network hardware connects multiple devices within a LAN and forwards data based on MAC addresses?

Answer 24

c) Switch

Switches connect devices on a LAN and forward data based on MAC addresses.

Question 25

Which network device directs packets based on IP addresses and connects different networks?

Answer 25

c) Router ## Footnote Routers connect different networks and route packets based on IP addresses.

Question 26

Network Access Control (NAC) enforces security policies for:

Answer 26

c) Devices connecting to a network ## Footnote NAC controls access for devices joining the network.

Question 27

Access Control Lists (ACLs) filter network traffic based on:

Answer 27

b) Predetermined security rules ## Footnote ACLs filter traffic based on predefined rules.

Question 28

802.1x is a network access control protocol that requires:

Answer 28

b) Device authentication ## Footnote 802.1x requires devices to authenticate themselves.

Question 29

Firewalls filter incoming and outgoing network traffic based on:

Answer 29

b) Defined security rules ## Footnote Firewalls filter traffic based on defined rules.

Question 30

Which security measure acts as a barrier to potential threats by filtering network traffic?

Answer 30

c) Firewall ## Footnote Firewalls act as barriers to protect against network threats.