Tri 2 Final Exam Part 2

Which layer of the OSI model is responsible for routing and forwarding data packets?

• Data Link Layer (Layer 2)

• Network Layer (Layer 3)

• Application Layer (Layer 7)

• Physical Layer (Layer 1)

What is the primary function of the TCP protocol?

• To assign IP addresses to devices

• To encrypt data during transmission

• To manage network congestion

• To provide reliable data transmission

What type of network topology connects all devices to a single central hub?

• Bus

• Star

• Mesh

• Ring

What is the purpose of subnetting in networking?

• To simplify network management by consolidating all devices in one subnet

• To increase network security by creating isolated segments

• To decrease network performance by adding unnecessary complexity

• Efficient utilization of IP addresses by dividing a larger network into smaller subnetworks.

Which wireless networking standard operates at a frequency of 2.4 GHz?

• NFC

• Bluetooth 5.0

• IEEE 802.11a/ac

• IEEE 802.11b/g/n

In the OSI model, which layer is responsible for establishing, maintaining, and terminating connections?

• Network Layer (Layer 3)

• Application Layer (Layer 7)

• Transport Layer (Layer 4)

• Data Link Layer (Layer 2)

Which TCP/IP protocol is used for transferring files between systems?

• HTTP

• SMTP

• SSH

• FTP

What network topology provides redundancy and fault tolerance by connecting each device to multiple other devices?

• Star Topology

• Bus Topology

• Mesh Topology

• Ring Topology

What is the subnet mask for a /24 subnet?

• 255.255.0.0

• 255.255.255.0

• 255.255.255.255

• 255.0.0.0

Which wireless networking standard supports data transfer rates up to 1 Gbps?

• Wi-Fi 4 (802.11n)

• LTE Advanced

• Wi-Fi 5 (802.11ac)

• Bluetooth 5.0