MIS 3317 CH5
If you double the number of states, you can transmit ________ more bit(s) per clock cycle.
1
What is 9 hex in binary?
1001
To transmit five bits per clock cycle, you must have ________ states.
32
How many wires are there is a UTP Ethernet cord?
8
The 802.11ac Wi-Fi standard uses 256 states. How many bits can it send per clock cycle?
8
ARP cache poisoning is ________.
A MAN-IN-THE-MIDDLE Attack
RSTP
Both can increase reliably and was created to break accidental loop
Ethernet addresses were formerly called________ addresses
MAC
Modal dispersion limits transmission distance in ________.
Multimode fiber
What is the quality designator for multimode optical fiber?>
OM
Ethernet is a single-network standard, so it is governed by ________ standards.
Physical and data link layer
UTP categories rate the ________ of UTP cabling.
Quality
What is the path that a frame travels through an Ethernet network?
a data link
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
The path a message takes from the source host to the destination device in an Ethernet network is a ________.
data link
Using RSTP to provide backup links in Ethernet ________.
is challenging
The transmission links that connect pairs of devices are ______.
physical links
Fiber that has a core diameter of 8.3 microns is ________.
singe-mode fiber
850 nm multimode fiber is used in LANs ________.
to keep cost low
________ links connect switches to other switches
trunk
Cat 5e and CAT 6 wiring can carry Ethernet traffic 100 meters up to ________.
1Gbps
In binary signaling, there is (are) ________ state(s)
two
Two switches that are 200 m apart at a speed of 20 Gbps should be connected using ________.
10GBASE-SR with bonding
What is F hex in binary?
1111
What is binary 0000 in hex?
8
To prevent an unauthorized user from sending supervisory commands to switches, companies use ________.
802.1AE
After an ARP cache poisoning attack, the ARP cache gives the ________.
EUI-48 address of the router the MITM attacker
The ability to transmit in two directions simultaneously is ________.
Full duplex communication
Optical fiber cords typically have two fiber strands. This is done to allow _______.
Full-duplex operation
In Ethernet, switches are organized in a ________.
Hierarchy
4-pair UTP terminates in a(n) ________ connector.
RJ-45
To manage their Ethernet networks, companies rely on ________.
SNMP
Which of the following provides security in Ethernet?
VLANs
The distance between two corresponding points in adjacent cycles is the ________.
Wavelength
The strength of a wave is its ________.
amplitude
Physical layer standards govern ________.
both signaling and physical connectors
________ describe light entering a fiber's core at different angles.
different modes
The messages that travel from the source host to the destination host are __________, forwarding devices are __________, and Ethernet uses __________ instead of IP addresses
frames; switches; EUI-48 data link layer
Ethernet became the dominant LAN technology because of ________.
low cost
________ occurs when the light energies of two pulses arrive at the far end at overlapping times.
modal dispersion
Which of the following is used most often in LANs for fiber transmission links?
multimode fiber
EUI-48 addresses in expressed in hexadecimal notation if used by ________.
neither switches or routers
At what layer is the 100BASE-TX standard?
physical
Ethernet signaling standards govern _________ layer transmission.
physical
Ethernet standards are specified at the ________ layer.
physical
The two tag frames provide information about ________.
priority
Ethernet forwarding devices are ________.
switches
When a user attempts to plug into an Ethernet switch protected by 802.1X, ________.
the user will be required to authenticate himself or herself
