MIS 410 Mid Term Study Guide Chapter 5
In binary signaling there is (are) ________ state(s).
2
What is the maximum power for POE Plus in the standard?
25 watts
How many wires are there is a UTP Ethernet cord?
8
Which working group is likely to develop security standards to be used by multiple LAN/WAN technologies?
802.1
ARP cache poisoning can be defeated using ________.
802.1AE
The ________ standard was created to prevent attackers from walking in and simply plugging a computer into a wall jack and therefore accessing the network.
802.1X
What 802 Working Group creates Ethernet standards?
802.3
The official name for Ethernet addresses is the ________ addresses.
EUI-48
What organization creates Ethernet standards? (Give the most specific answer.)
IEEE
Ethernet addresses were formerly called ________ addresses.
MAC
Ethernet has only a single standard at the ________ layer.
MAC
Ethernet standards are specified at the ________ layer
MAC
________ fiber is being sold today.
OM4
4-pair UTP terminates in a(n) ________ connector.
RJ-45
In LANs, ________ typically is for ________.
UTP, access lines
In digital signaling there is (are) ________ state(s).
a small number of
Which of the following is relatively immune to small errors?
binary signaling
Which of the following is a benefit of using a central authentication server?
both consistency in authentication and faster changes when authentication information needs to be changed
Ethernet standards are specified at the ________ layer.
both physical and data link
Link aggregation can increase trunk speed by a factor of ________.
both two and three
Under the standard, Ethernet switches can provide enough power over UTP for ________.
both wireless access points and voice over IP telephones
Which UTP quality levels are needed to send signals 100 meters at 10 gigabits per second?
category 6A
In optical fiber, light travels through the ________.
core
What type of switch connects switches to other switches?
core switches
The Ethernet length field gives the length of the ________.
data field
The purpose of LLC subheader is to ________.
designate the type of packet in the data field
Creating effective backup links in RSTP is ________.
difficult and time consuming
What form of transmission is most resistant to transmission errors?
digital
If an Ethernet receiver detects an error in an arriving frame, it ________.
drops the frame
Optical fiber cords use two strands ________.
for full-duplex transmission
Optical fiber's main advantage over UTP is ________.
greater distance span
Switches in an Ethernet LAN are organized in a ________ topology.
hierarchical
What organization creates Ethernet standards? (Give the most specific answer.)
hierarchical
Ethernet is inexpensive thanks to ________.
its hierarchical topology
Ethernet becomes the dominant of LAN technology primarily because of its ________.
low cost, compared with competing technologies
Ethernet's hierarchical topology tends to create ________.
lower cost per frame handled
Which of the following is used most heavily in LANs for fiber transmission links?
multimode fiber
Ethernet standards are specified at the ________ layer
neither Internet nor transport
Ethernet standards are specified at the ________ layer.
neither Internet nor transport
Ethernet's hierarchical topology makes it ________.
neither expensive nor reliable
A local area network operates ________.
on a customer premises
Ethernet usually has a 100 meter distance limit for ________.
physical links
UTP categories rate the ________ of UTP cabling.
quality
Strong security is needed to ________.
reconfigure remote switches
Managed Ethernet switches ________.
reduce hardware costs
Physical layer standards govern ________.
signaling
The longest transmission distances are possible with ________.
single-mode fiber
The main benefit of parallel transmission over serial transmission is ________.
speed
Untwisting wire pairs no more than 1.25 cm (a half inch) at their ends reduces ________.
terminal crosstalk interference
Which of the following can increase reliability considerably in an Ethernet LAN?
using the Rapid Spanning Tree Protocol
The distance between two corresponding points in adjacent cycles is the ________.
wavelength
What type of switch connects users to the network?
workgroup switches