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Nauka

neverminder

Wyświetlane są wszystkie pytania.
Pytanie 89
What unique address is embedded in an Ethernet NIC and used for communication on an Ethernet network?
IP address
host address
MAC address
network address
Pytanie 90
Which procedure is used to reduce the effect of crosstalk in copper cables?
wrapping the bundle of wires with metallic shielding
designing a cable infrastructure to avoid crosstalk interference
avoiding sharp bends during installation
requiring proper grounding connections twisting opposing circuit wire pairs together
Pytanie 91
During the encapsulation process, what occurs at the data link layer for a PC connected to an Ethernet network?
The process port number is added.
The logical address is added.
An IP address is added.
The physical address is added.
Pytanie 92
What are two characteristics of Ethernet MAC addresses? (Choose two.)
They are expressed as 12 hexadecimal digits.
They are routable on the Internet.
MAC addresses must be unique for both Ethernet and serial interfaces on a device.
They are globally unique.
MAC addresses use a flexible hierarchical structure.
Pytanie 93
If a device receives an Ethernet frame of 60 bytes, what will it do?
send an error message to the sending device
process the frame as it is
drop the frame
add random data bytes to make it 64 bytes long and then forward it
Pytanie 94
Under which two circumstances will a switch flood a frame out of every port except the port that the frame was received on? (Choose two.)
The source address in the frame header is the broadcast address.
The destination address in the frame is a known unicast address.
The source address in the frame is a multicast address.
The destination address is unknown to the switch.
The frame has the broadcast address as the destination address.
Pytanie 95
Which switching method has the lowest level of latency?
store-and-forward
fragment-free
fast-forward
cut-through
Pytanie 96
Which two commands can be used on a Windows host to display the routing table? (Choose two.)
netstat -s
tracert
route print
netstat -r
show ip route
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