DataComms Long Quiz 2 Reviewer

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

• The frame is dropped

• The frame is returned to the originating network device

• The frame is broadcast to all other devices on the same network

• The frame is sent to the default gateway

What are the two sizes (minimum and maximum) of an Ethernet frame? (choose 2)

• 56 bytes

• 64 bytes

• 128 bytes

• 1024 bytes

• 1518 bytes

What statement describes Ethernet?

• It is the required Layer 1 and 2 standard for internet communication

• It defines a standard model used to describe how networking works

• It defines the most common LAN type in the world

• It connects multiple sites such as routers located in different countries

What statement describes a characteristic of MAC addresses?

• They must be globally unique

• They are only routable within the private network

• They are added as part of a Layer 3 PDU

• They have 32-bit binary value

Which statement is true about MAC addresses?

• MAC addresses are implemented by software

• A NIC only needs a MAC address if connected to a WAN

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

• The OSI is responsible for MAC addresses regulations

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

• The destination Layer 3 address of incoming packets

• The destination of Layer 2 address of outgoing frames

• The source Layer 3 address of outgoing packets

• The source Layer 2 address of incoming frames

Which switching method uses the CRC value in a frame?

• Cut -through

• Fast-forward

• Fragment-free

• Store-and-forward

What is auto-MDX?

• A type of Cisco switch

• An Ethernet connector type

• A feature that detects Ethernet cable type

• A type of port on a Cisco switch

What is a characteristic of port-based memory buffering?

• Frames are buffered in queues linked to specific ports

• Frames in the memory buffer are dynamically linked to destination ports

• All frames are stored in a common memory buffer

• All ports on a switch share a single memory buffer

What is a primary purpose of encapsulating packets into frames?

• Provide routes across the internetwork

• Format the data for presentation to the user

• Facilitate the entry and exit of data on media

• Identify the services to which transported data is associated