Cs 3690 Exam 1 - Part Iii

Front 1

Most popular LAN topology today is...

Back 1

Star Topology

Front 2

At what OSI layer do each of these work at?
Repeater

Back 2

Layer 1- Physical

Front 3

At what OSI layer do each of these work at?
Router

Back 3

Layer 3- Network

Front 4

At what OSI layer do each of these work at?
Hub

Back 4

Layer 1- Physical

Front 5

At what OSI layer do each of these work at?
Switch

Back 5

Layer2- Data Flow

Front 6

At what OSI layer do each of these work at?
Bridge

Back 6

Layer 2- Data Flow

Front 7

What is a device that only purpose is to amplify digital signals?

Back 7

Repeater

Front 8

What is used to "convert" between two different topologies or protocol?

Back 8

Bridge

Front 9

Switches will either do:
1.
2.
3.

Back 9

1. Block
2. Forward
3. Flood

Front 10

-Speaks at layer 3
-Similar to Switches, these devices perform block, forward, and broadcast (flood)

Back 10

Routers

Front 11

Unlike Switches, routers map ____ to interfaces, rather than ___ to ports as the switch does.

Back 11

Network, MAC

Front 12

A ____ cannot partition anything.

Back 12

Hub

Front 13

A _____ can partition a collision domain, but not a broadcast domain.

Back 13

Switch (Layer 2- Data Link)

Front 14

A ________ can partition both a collision domain and a broadcast domain.

Back 14

Router (Layer 3- Network)

Front 15

-Hosts connected by a Layer 1 (Physical) device (wire)
-One Collision domain
-One Broadcast domain

Back 15

Segment

Front 16

-A segment, or hosts connected by layer 2 (Data Link) device
-All hosts share the same network address
-One broadcast domain

Back 16

Network

Front 17

Networks connected by a layer 3 (Network) device (ie Router)
- >1 Broadcast domain

Back 17

Internetwork (Internet)

Front 18

Hardware address is the layer 2 address, also called the _____ address, which are ____ bits in length, which is ____ hex digits in length.

Back 18

MAC
48 bits
12 hex digits (48/4=12)

Front 19

Whats actually in the payload field?

Back 19

Application (Layer 7) payload (a.k.a. "user data") plus:
Layer 3 header
Layer 4 header and/or Payload

Front 20

if you see "0x" followed by four (4) alphanumeric digits what does it mean?

Back 20

Hexadecimal