Networking Test 4

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Online Networking Test 4 for different Competitive Exams, Entrance Tests & Job Interviews. Test yourself. Take various online tests and find out how well you score before appearing in your upcoming interviews and written tests.

Instructions

Welcome to our FREE online test. Beware of anyone asking for money to take this test.

Total questions: 20

Time limit: 30 minutes

Each question is worth 1 point, and there are no penalties for wrong answers.

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Good luck!

Time remaining: 30:00
1. Which of the following protocols is used for secure remote login and other secure network services over an insecure network?
  1. Telnet
  2. SSH
  3. FTP
  4. HTTP
2. Assertion (A): IPv4 addresses are 32 bits long.
Reason (R): IPv4 addresses are divided into 8-bit segments known as octets.
  1. Both A and R are true, and R is the correct explanation of A.
  2. Both A and R are true, but R is not the correct explanation of A.
  3. A is true, but R is false.
  4. A is false, but R is true.
3. Fill in the blank: The _______ protocol is used to retrieve email from a mail server.
  1. SMTP
  2. FTP
  3. IMAP
  4. HTTP
4. Scenario: A company wants to ensure that their internal network can handle the increased traffic due to a new application rollout. Which of the following measures can help achieve this?
  1. Implementing a VPN
  2. Upgrading network bandwidth
  3. Using a proxy server
  4. Changing the SSID
5. Which of the following devices operates primarily at the Data Link Layer of the OSI model?
  1. Router
  2. Switch
  3. Gateway
  4. Firewall
6. What is the primary purpose of the Domain Name System (DNS) in networking?
  1. To translate domain names into IP addresses
  2. To provide email services
  3. To encrypt data for secure communication
  4. To route packets within a local network
7. Assertion (A): NAT (Network Address Translation) helps conserve the number of public IP addresses used by a network.
Reason (R): NAT allows multiple devices on a local network to share a single public IP address for accessing the internet.
  1. Both A and R are true, and R is the correct explanation of A.
  2. Both A and R are true, but R is not the correct explanation of A.
  3. A is true, but R is false.
  4. A is false, but R is true.
8. Fill in the blank: In networking, the _______ model describes the functions of a networking system in seven layers.
  1. TCP/IP
  2. UDP
  3. OSI
  4. IP
9. Which of the following protocols is used for dynamic IP address allocation to devices on a network?
  1. DNS
  2. DHCP
  3. HTTP
  4. FTP
10. Scenario: An administrator needs to ensure secure data transmission between two remote offices over the internet. Which technology would be most appropriate?
  1. VLAN
  2. NAT
  3. VPN
  4. SNMP
11. What is the function of a proxy server in a network?
  1. To provide direct communication between devices
  2. To monitor and control network traffic
  3. To act as an intermediary for requests from clients seeking resources from other servers
  4. To assign IP addresses to devices
12. Assertion (A): The Data Link Layer is responsible for error detection and correction in data frames.
Reason (R): The Data Link Layer uses logical addressing to ensure data is delivered to the correct destination.
  1. Both A and R are true, and R is the correct explanation of A.
  2. Both A and R are true, but R is not the correct explanation of A.
  3. A is true, but R is false.
  4. A is false, but R is true.
13. Fill in the blank: The main function of the _______ protocol is to transfer hypertext documents on the World Wide Web.
  1. FTP
  2. SMTP
  3. HTTP
  4. SNMP
14. Which of the following devices is used to regenerate and strengthen signals in a network?
  1. Switch
  2. Router
  3. Repeater
  4. Firewall
15. Scenario: A company wants to implement a solution that allows employees to securely access the company network from remote locations. Which of the following technologies should they use?
  1. VLAN
  2. DNS
  3. VPN
  4. NAT
16. What is the purpose of a subnet mask in networking?
  1. To encrypt data packets
  2. To assign IP addresses to devices
  3. To determine the network and host portions of an IP address
  4. To authenticate users
17. Assertion (A): OSI model has 7 layers.
Reason (R): Each layer of the OSI model performs a specific function and communicates with the layers above and below it.
  1. Both A and R are true, and R is the correct explanation of A.
  2. Both A and R are true, but R is not the correct explanation of A.
  3. A is true, but R is false.
  4. A is false, but R is true.
18. Fill in the blank: _______ is the process of transmitting data to multiple recipients using a single transmission.
  1. Routing
  2. Subnetting
  3. Broadcasting
  4. Encapsulation
19. Which of the following is a characteristic of a peer-to-peer network?
  1. Centralized control
  2. Decentralized architecture
  3. High security
  4. Scalability
20. Scenario: A company wants to improve network performance by distributing network traffic across multiple servers. Which technology should they implement?
  1. VLAN
  2. Load balancing
  3. VPN
  4. NAT

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