Chapter 5 exam CIS161

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What are the two sizes (minimum and maximum) of an Ethernet frame? (Choose two.)

64 bytes, 1518 bytes

Which destination address is used in an ARP request frame?

FFFF.FFFF.FFFF.FFFF

What statement describes Ethernet?

It defines the most common LAN type in the world.

The ARP table in a switch maps which two types of address together?

Layer 3 address to a Layer 2 address

Which two statements describe features or functions of the logical link control sublayer in Ethernet standards? (Choose two.)

Logical link control is implemented in software., The data link layer uses LLC to communicate with the upper layers of the protocol suite.

What are two potential network problems that can result from ARP operation? (Choose two.)

On large networks with low bandwidth, multiple ARP broadcasts could cause data communication delays., Network attackers could manipulate MAC address and IP address mappings in ARP messages with the intent of intercepting network traffic.

ARP _____ is a technique that is used to send fake ARP messages to other hosts in the LAN. The aim is to associate IP addresses to the wrong MAC addresses.

Spoofing

Which statement is true about MAC addresses?

The first three bytes are used by the vendor assigned OUI.

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

They are received and processed by every device on the local network.

What statement describes a characteristic of MAC addresses?

They must be globally unique.

True or False? When a device is sending data to another device on a remote network, the Ethernet frame is sent to the MAC address of the default gateway.

True

what is auto-MDIX

a feature that detects Ethernet cable typ​e

On a Cisco switch _____ memory buffering is used to buffer frames in queues linked to specific incoming and outgoing ports.​

port-based

A collision fragment, also known as a _____ frame, is a frame of fewer than 64 bytes in length.​

runt

Which switching method uses the CRC value in a frame?

store-and-forward

What happens to runt frames received by a Cisco Ethernet switch?

the frame is dropped

What addressing information is recorded by a switch to build its MAC address table?

the source Layer 2 address of incoming frames


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