CompTIA N+ Quiz: Networking Concepts – Part 1

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CompTIA N+ Quiz: Networking Concepts – Part 1

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Drag and drop the wired topology terms into their respective fields.

Sort elements

Bus Topology
Ring Topology
Star Topology
Mesh Topology

There is a main cable and all the devices are connected to this main cable through drop lines.

Εach device is connected with the two devices on either side of it.

Each device in the network is connected to a central device called hub.

Each device is connected to every other device on the network through a dedicated point-to-point link.

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Question 2 of 19

2. Question
Physical network topology is a higher-level idea of how the network is set up, including which nodes connect to each other and in which ways, as well as how data is transmitted through the network.
- True
- False
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Question 3 of 19

3. Question

Match the wireless topology terms with the respective descriptions.

Sort elements

Infrastructure Wireless Topology
Ad Hoc Wireless Topology
Wireless Mesh Topology

Normally used to extend a wired LAN to connect wireless capable devices.

Devices communicate directly among themselves without using an access point.

Each network node is interconnected to other nodes on the network.

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Question 4 of 19

4. Question
You are responsible to install a new wired network that allows for network expansion with the least amount of disruption for the current network users. Which of the following network topologies would you choose?
- Star Topology
- Bus Topology
- Ring Topology
- Wireless Mesh Topology
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Question 5 of 19

5. Question
You are responsible to install a new network that will give the network users the greatest amount of fault tolerance. Which of the following network topologies would you choose?
- Ring Topology
- Star Topology
- Mesh Topology
- Bus Topology
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Question 6 of 19

6. Question
Which of the following is a computer network in a defined area that links buildings and consists of multiple LANs within that limited geographical area?
- Campus-Area Network (CAN)
- Metropolitan-area Network (MAN)
- Storage-area Network (SAN)
- Personal-area Network (PAN)
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Question 7 of 19

7. Question
Drag and drop the various 802.11 wireless standards into their respective frequencies.
Sort elements
- 802.11g
- 802.11a
- 802.11n
- 2.4 GHz
- 5 GHz
- 2.4 GHz / 5 GHz
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Question 8 of 19

8. Question
Which of the following statements are true about Bluetooth, NFC, and Z-Wave? (Choose all that apply)
- Bluetooth is based on the IEEE 802.15.1 standard.
- Bluetooth uses the 3.4 to 3.485 GHz band.
- Near-field communication transmits data through electromagnetic radio fields to enable two devices to communicate with each other.
- Near-field communication (NFC) is a long-range wireless connectivity technology that lets NFC-enabled devices communicate with each other.
- Z-Wave is a wired communication protocol.
- Z-Wave essentially focus on connectivity within the smart home.
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Question 9 of 19

9. Question
Sort the OSI layer model from top to bottom.
- Network
- Application
- Session
- Data Link
- Physical
- Presentation
- Transport
View Answers:
Correct

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Question 10 of 19

10. Question
At which two OSI layers can a switch operate? (Choose two)
- Layer 1
- Layer 2
- Layer 3
- Layer 4
- Layer 5
- Layer 6
- Layer 7
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Question 11 of 19

11. Question
TCP doesn’t establish a session between the sending and receiving hosts, which is why TCP is called a connectionless protocol, while UDP establishes a mutually acknowledged session between two hosts before communication takes place.
- True
- False
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Question 12 of 19

12. Question
Type next to each protocol the port it uses. (Type only the number)
- Protocol Port
  
  SSH
  
  DNS
  
  SMTP
  
  SFTP
  
  HTTP
  
  HTTPS
Correct

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Question 13 of 19

13. Question
Which of the following functions is the function of ARP?
- Resolves hostnames to IP addresses.
- Resolves IP addresses to MAC addresses.
- Resolves MAC addresses to IP addresses.
- Resolves IP addresses to hostnames.
Correct

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Protocol	Port
SSH
DNS
SMTP
SFTP
HTTP
HTTPS

Question 14 of 19

14. Question

Match the following DNS Records with their purpose.

Sort elements

A
AAAA
CNAME
SRV
MX
TXT
NS
PTR

Used to map hostnames to an IPv4 address of the host.
Used to map hostnames to an IPv6 address of the host.
Used to point a domain or subdomain to another hostname.
Used to identify computers that host specific services.

Used to help route email according to the domain owners preference.

Used to provide the ability to associate text with a zone.
Indicates which DNS server is authoritative for that domain.
Used for the Reverse DNS (Domain Name System) lookup.

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Question 15 of 19

15. Question
Which DNS record is most commonly used to map hostnames to an IP address for a host with IPv6?
- A record
- AAAA record
- MX record
- NS record
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Question 16 of 19

16. Question
Convert the following Decimal Values to Binary Values.
- - Decimal mask: 255.255.192.0
    Binary mask: . . .
  - Decimal mask: 224.0.0.0
    Binary mask: . . .
  - Decimal mask: 255.255.128.0
    Binary mask: . . .
  - Decimal mask: 255.255.255.240
    Binary mask: . . .
Correct

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Question 17 of 19

17. Question
Match the IP addresses to their default subnet mask:
Sort elements
- 255.255.0.0
- 255.255.255.0
- 255.0.0.0
- 188.187.186.185
- 204.203.202.201
- 55.44.22.11
Correct

Incorrect
Question 18 of 19

18. Question
Which of the following addresses are not valid Class A network IDs? (Choose all that apply)
- 1.0.0.0
- 5.0.0.0
- 140.0.0.0
- 127.0.0.0
- 9.0.0.0
- 195.0.0.0
Correct

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Question 19 of 19

19. Question

Match the primary IPv4 address types with the respective descriptions.

Sort elements

Unicast Address
Broadcast Address
Multicast Adress

Refers to a single sender or a single receiver, and can be used for both sending and receiving

Send data to all possible destinations on a network
Is associated with a group of interested receivers

Correct

Incorrect