Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

ISDN1 > Ch. 2 The Fundamentals Of Ethernet LANs > Flashcards

Ch. 2 The Fundamentals Of Ethernet LANs Flashcards

0
Q

A device that provides many physical ports into which cables can be connected

A

A switch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What is a family of LAN standards that together define the physical and data link layers of the worlds most popular wired LAN technology called?

A

An Ethernet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A networking device that communicates with the Ethernet switch wirelessly via radio waves

A

An access point AP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

UTP

A

Unshielded twisted pair (cable)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

UTP suffix:

Fiber optic suffix:

A

T

X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

10 Mbps name

A

Ethernet 10base-t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

100 Mbps name

A

Fast Ethernet 100base-t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

1000 Mbps name

A

Gigabit Ethernet 1000 base-t and 1000base-lx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

10 gps name

A

10 gig Ethernet 10gbase-t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is a combination of user devices, LAN switches, and different kinds of cabling called

A

Ethernet LAN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The header and trailer of a data link protocol plus the encapsulated data inside the header and trailer

A

A frame

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the threes most commonly used Ethernet standards

A

10base-t Ethernet
100base-t fast Ethernet (FE)
1000base-t gigabit Ethernet (GE)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

FE

A

Fast Ethernet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

GE

A

Gigabit Ethernet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Rules two devices follow to send data are called

A

Encoding scheme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

EMI

A

Electromagnetic interference

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

EMI between wire pairs in the same cable

A

Crosstalk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Any physical cables between two Ethernet nodes

A

Ethernet link

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

NIC

A

Network interface card

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

GBIC

A

Gigabit interface converter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

SFP

A

Small form factor pluggables (let’s you swap connections on cisco devices, rj-45 to GBIC for example)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

How many wire pairs does 10base-t and 100base-t use?

1000base-t?

A

2 pairs one for each direction

4 pairs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Ethernet NIC transmitters use pins _____ and _____ to transmit

A

1 and 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Ethernet NIC receivers use pins ____ and _____ to receive

A

3 and 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
LAN switches use pins ____and ____ to receive
1 and 2
25
LAN receivers use pins ____ and ____ to transmit
3 and 6
26
Straight through cable is pinout is pinned how?
``` 1 to 1 2 to 2 3 to 3 . . . . 6 to 6 ```
27
A crossover cable is pinned how?
1 to 3 2 to 6 3 to 1 6 to 2
28
Use a ____ cable if the endpoints transmit on the same pin pair
Crossover cable
29
Use a _______. Cable if the endpoints transmit on different pin pairs
Straight through
30
PCs, NICS, routers, WAP(Ethernet interfaces) transmit on what pins?
1 and 2
31
Hubs and switches transmit in what pins?
3 and 6
32
How is UTP cabling pinouts for 1000base-t done?
``` 1 to 3 2 to 6 3 to 1 4 to 7 5 to 8 6 to 2 7 to 4 8 to 5 ```
33
MAC
Media access control
34
How long are MAC addresses?
6 byte (48 bit long) binary numbers
35
The term ____ refers to the fact that the address represents one interface to the Ethernet LAN
Unicast
36
OUI
Organizationally unique identifier
37
An identifier 3 byte code to ensure every MAC address is universally unique
An OUI
38
BIA
Burned in address
39
An Ethernet uses _____ ______ to identify more than one LAN interface card. A frame sent to a group can be delivered to multiple devices on the LAN or all of them
Group addresses
40
What are the two types of group addresses for Ethernet
Broadcast and multicast
41
Frames sent to a broadcast address are delivered to
All devices on the Ethernet LAN
42
Frames sent to a ____ _____ _____ will be copied and forwarded to a subset of the devices on the LAN that elect to receive frames
Multicast Ethernet address
43
The _____ ______ _____ identifies the type of network layer (layer 3) packet that sits inside the Ethernet frame
Ethernet type field
44
What are the most common network protocols
TCP/IP V4 and V6 Aka IPv4 and IPv6
45
FCS
Frame check sequence
46
What is the only field in the Ethernet trailer
The frame check sequence (FCS)
47
Logic in which a port sends data only when it is also not receiving data
Half duplex
48
When the NIC or switch port has no half duplex restrictions it can run in ______
Full duplex
49
When can a LAN use full duplex
When it has all PCs and LAN switches and no hubs
50
CSMA/CD
Carrier sense multiple access with collision detection
51
In half duplex ______ detects when someone is transmitting and waits to transmit until the first transmission is complete
CSMA/CD
52
What is any physical cable between two Ethernet nodes referred to
An Ethernet link
53
How are MAC addresses listed
As 12 digit hexadecimal numbers
54
The first part of a MAC code is assigned by ______ and the last part is assigned by _______
IEEE and the manufacturer
55
LAN addresses, Ethernet addresses, hardware addresses, burned in addresses, universal addresses, physical addresses, and MAC addresses are all type of:
Ethernet addresses
56
If a soho uses a LAN, and some users connect via cable while others connect wirelessly who is using the Ethernet?
The cables devices only, not the wireless ones
57
What standard defines gigabit Ethernet over UTP cabling
1000base-t
58
On an Ethernet crossover cable, pins 1 and 2 connect to pins ____ and ____
3 and 6
59
``` Pick three that would use a straight through crossover cable on a 100base-t network 100base-t network. PC and router PC and switch Hub and switch Router and hub Wireless AP(Ethernet port) and switch ```
PC and switch Router and hub WAP (Ethernet port) and switch
60
What happens on a half duplex when a CSMA/CD is in use and there is a collision
The algorithm defines how the computers should notice the collision and recover from the collision
61
Where is the Ethernet FCS field located
In the trailer, not the header
62
Where does the manufacturer put their unique identifier and what is it called
In the first 3 bytes, in the first half of the address, the OUI (organizationally unique identifier
63
What are the two ways to send one frame to multiple devices on a LAN
Broadcast and multicast
64
When is half duplex needed
When a hub is in the Ethernet LAN

ISDN1 (28 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions