WorksheetsNetwork and Communication Lec
Total questions: 40
Worksheet time: 20mins
It is an optical fiber Gigabit Ethernet standard for operation over multi-mode fiber using a 770 to 860 nanometer, near-infrared (NIR) light wavelength.
1000BASE-T
1000BASE-LX
1000BASE-SX
1000BASE-CX
Which of the following Gigabit Ethernet media has a Category 6 -UTP cable?
1000BASE-T
1000BASE-LX
1000BASE-SX
1000BASE-CX
Which of the following Gigabit ethernet media has a 10-micron single-mode fiber?
1000BASE-T
1000BASE-LX
1000BASE-SX
1000BASE-CX
It is a line code in which the encoding of each data bit is either low then high or high then low for equal time.
Network code
Terminal code
Manchester code
Binary code
1000BASE-TX operated over only two of the four pairs in the cable and requires __________ cabling.
CAT5e
CAT5
CAT6
CAT4
Which of the following parameters is not applicable for a 10-Gbps Ethernet operation?
slot time
bit time
interframe spacing
minimum frame size
It is designed to operate over a 4-pair UTP cable and supports full-duplex data transfer at 1000Mbps.
1000BASE-16
1000GBASE-G
1000BASE-T
100BASE-TX
In a network using (OSI) architecture, the ____________ is the portion of the physical layer that interfaces with the data link layer's medium access control (MAC) sublayer, performs symbol encoding, transmission, reception and decoding and, performs galvanic isolation.
static prompting sublayer
directional sublayer
logical signaling sublayer
physical signaling sublayer
Which of the following is NOT a benefit of a Gigabit Ethernet on Fiber?
excellent distance characteristics
noise immunity
can connect coaxial ports
no grounding potential problems
This version uses two strands of multi-mode optical fiber for receive and transmit.
1 Gbps Ethernet over Coaxial
100 Mbps Ethernet over Fiber
1000 Mbps Ethernet over Serial
10Mbps Ethernet over Static
This may introduce up to 140 bit-times of latency.
Class III Repeater
Class I Repeater
Class S Repeater
Class II Repeater
This may only introduce a maximum of 92 bit-times latency.
Class III Repeater
Class I Repeater
Class S Repeater
Class II Repeater
It is a port type for multi-mode fiber and single-mode fiber. It uses four separate laser sources operating at 3.125 Gbit/s and Coarse wavelength-division multiplexing with four unique wavelengths around 1310 nm.
10GBASE-LR
10GBASE-LX4
10GBASE-LX4
10GBASE-SR
It is particularly important in twisted-pair networks because signal integrity is dependent upon maintaining the differential relationship or “common mode” between the wiring pairs.
frequency noise
common mode noise
transmission terminal noise
feedback noise
It is the term applied to transmitting Ethernet frames at a rate of a gigabit per second.
Static Ethernet
Ethernet
Fast Ethernet
Gigabit Ethernet
This links generally consist of a connection between a station and a hub or switch.
Ethernet
Serial Connection
Fast Ethernet
Gigabit Coaxial
The ethernet can do the following process except for __________
detect corrupt data
restrict connected networks
specify recipient
synchronize time intervals
It is also called thick Ethernet, ThickWire, and ThickNet.
10Base2
10Base5
10BaseT
10Base8
200 Mbps transmission is possible because of the separate transmit and receive paths in ____________.
100BASE-FX Ethernet twisted pair
100BASE-FG network cable
100BASE-FX optical Fiber
100BASE-F6 optical coaxial
It is a binary code in which ones are represented by one significant condition, usually a positive voltage, while zeros are represented by some other significant condition, usually a negative voltage, with no other neutral or rest condition.
non-return-to-zero line code
MAC code
network code
binary code
It is group communication where data transmission is addressed to a group of destination computers simultaneously.
single cast
multicast
infinite cast
unicast
shared access is a collision domain
collision domain - created by hub
point-to-point
collision domain - extended by repeater
shared access is a collision domain
collision domain - created by hub
point-to-point
collision domain - extended by repeater
shared access is a collision domain
collision domain - created by hub
point-to-point
collision domain - extended by repeater
shared access is a collision domain
collision domain - created by hub
point-to-point
collision domain - extended by repeater
This can consume sufficient network resources so as to render the network unable to transport normal traffic.
broadcast failure
broadcast failure
broadcast error
broadcast storm
It is the accumulation of broadcast and multicast traffic on a computer network. Extreme amounts of broadcast traffic constitute a broadcast storm.
broadcast manipulation
broadcast intersection
broadcast radiation
broadcast connection
A broadcast is forwarded across all bridges whether the receiving host is on the other side bridge or not. This eliminates the benefits of having a ____________.
unstable network
bridged network
parallel network
connected network
This type of network is fine for an isolated network that does not require much data transmission.
unidentified network multiple collision
small network single collision
large network double collision
large network single collision
Which of the following is not part of the STP states?
forwarding
blocking
connecting
learning
Latency in networks is measured in ____________.
miniseconds
microseconds
milliseconds
nanoseconds
It is also referred to as the IEEE way, is a design guideline for Ethernet computer networks covering the number of repeaters and segments on shared-access Ethernet backbones in a tree topology.
2-8-16 rule
1-0-1 rule
1-2-3 rule
5-4-3 rule
It happens when a switch receives the entire frame before sending it out to the destination port.
store and forward
front and backward
split and turn
side and diagonal
It is a logical division of a computer network, in which all nodes can reach each other by broadcast at the data link layer.
forward packet
proxy domain
broadcast domain
popular domain
It is a network protocol that builds a loop-free logical topology for Ethernet networks.
Server Tree Protocol (STP)
Binary Tree Protocol (BTP)
Spanning Tree Protocol (STP)
Network Tree Protocol (NTP)
The data through a network flow from _______________.
application to physical >> physical to application layer
session to presentation >> transport to network
physical to application >> application to physical layer
data link to physical >> network to transport layer
It uses a table called the forwarding information base to control the forwarding of frames between network segments.
broadcast domain
Transparent bridging
Ethernet segmenting
Bridge Porting
The data stream and wire segments are part of the _________ layer.
transport
session
data link
network
It is the time it takes for data or a request to go from the source to the destination.
network stability
network latency
network bandwidth
network attenuation
A process where a switch starts to transfer the frame as soon as the destination MAC address is received
Cut-Through
Cross-Through
Dive-Through
Connect-Through
