Network Module Mid-Term Quiz 04

You want to send a layer 2 Ethernet frame to a group of devices connected to your local network. What type of communication will achieve your goal?

• Unicast communication

• Multicast communication

• Broadcast communication

This key will complete the remaining of the command in CLI.

• Ctrl + a

• Space

• Tab

• Ctrl + d

• ?

Match the corresponding PDU name for each layer of the OSI model: (Layer 2): b PDU Name: _________________

• Frame

• Packet

• Segment

• Bit

Match the corresponding PDU name for each layer of the OSI model: (Layer 3): a PDU Name: _________________

• Packet

• Frame

• Segment

• Bit

Match the corresponding PDU name for each layer of the OSI model: (Layer 4): d PDU Name: _________________

• Segment

• Packet

• Frame

• Bit

Which of the following is added at the OSI Network layer?

• A header field that identifies the type of frame

• Source & Destination IP addresses

• A header field that identifies how many routers are in the path

• Source and destination port numbers

• Source & Destination MAC addresses

What will a switch do when the destination MAC address of a frame is not in the MAC address table?

• It broadcasts the frame out of all ports on the switch.

• It forwards the frame out of all ports except for the port at which the frame was received.

• It initiates an ARP request.

• It sends a destination host unreachable message and drops the frame.

• It forwards the frame out of the port that is associated with the destination MAC address.

As a network administrator, you are transitioning your company's network from IPv4 to IPv6. One of your tasks is to explain to the team why Network Address Translation (NAT) is not necessary in IPv6. Please choose the best reason from the options below:

• IPv6 has integrated security.

• IPv6 has a vast number of addresses.

• IPv6 improves packet handling.

• IPv6 increases routing capacity.

Which statement describes the treatment of ARP requests on the local link?

• ARP requests must be forwarded by all routers on the local network.

• ARP requests are received and processed by every device on the local network.

• ARP requests are dropped by all switches on the local network.

• ARP requests are received and processed only by the target device.

Which three principal aspects should be emphasized in your network security policy to protect data?

• Confidentiality, Integrity, and Non-repudiation

• Confidentiality, Integrity, and Availability

• Integrity, Availability, and Accountability

• Confidentiality, Availability, and Authentication