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Question
At what layer(s) do you find single network standards?A) Layer 1
B) Layer 2
C) both A and B
D) neither A nor B
Answer
This answer is hidden. It contains 1 characters.
Related questions
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In IP, the first bit in the second row is ________.
A) 0
B) 31
C) 32
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An EUI-48 address was formerly called a(n) ________ address.
A) IPv4
B) IPv6
C) MAC
D) DNS
Q:
Which part of a message is less often in a message compared to the other two parts?
A) header
B) data field
C) trailer
D) All of the above are commonly seen in all messages.
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In a four-step close, which side transmits a FIN segment?
A) the side that initiates the close
B) the other side
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In HTTP, which program may initiate communication?
A) browser
B) Webserver program
C) both A and B
D) neither A nor B
Q:
A message's syntax is its ________.
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B) message order
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Q:
Application message fragmentation is done on the ________.
A) source host
B) destination host
C) both A and B
D) neither A nor B
Q:
In the Five General Layers Standard, which layer's standards govern application message fragmentation?
A) 2
B) 3
C) 4
D) 5
Q:
Which layer's standards govern signaling?
A) 1
B) 2
C) 3
D) 4
Q:
What layer number is the data link layer?
A) 1
B) 2
C) 3
D) 4
Q:
When an application program transmits a message, what will the first field be in the message that is sent over the transmission link?
A) application header
B) packet header
C) transport header
D) frame header
Q:
Switches make decisions based on the ________.
A) physical link address
B) source data link layer address
C) destination data link layer address
D) phase of the moon
Q:
The most widely used single network address is the ________.
A) EUI-48 address
B) MAC address
C) IP address
D) PPP address
Q:
If a transmission link has a relatively high error rate, ________.
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B) fragmentation is likely to increase delivery time for the entire application message
C) either A or B
D) neither A nor B
Q:
In SaaS, the user normally ________.
A) purchases software
B) pays for software by amount of use
C) both A and B
D) neither A nor B
Q:
IaaSs own _________.
A) application software
B) servers
C) both A and B
D) neither A nor B
Q:
A ________ may have multiple ________.
A) physical server, virtual machines
B) virtual machine, physical servers
C) both A and B
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Q:
Who controls the Internet?
A) the U.S. government
B) the United Nations
C) the IETF
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An Active Directory domain ________.
A) has only a single domain controller
B) makes all servers domain controllers
C) must have its servers organized as a tree
D) none of the above
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Which of the following is used to query a directory server to get someone's e-mail address?
A) LDAP
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Message units are a time and distance pricing method that can be used to charge for local calls.
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Local calls are always billed on a flat rate basis where the customer pays a monthly fee for unlimited local calling.
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In TDM, there are usually more frames than slots.
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In the United States, IXCs provide telephone transmission service ________.
A) within a LATA
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C) between the United States and another country
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With 900 numbers, the ________ pays and pays ________ per minute than direct distance dialing.
A) caller, more
B) caller, less
C) called party, more
D) called party, less
Q:
With 888 numbers, the ________ pays and pays ________ per minute than direct distance dialing.
A) caller, more
B) caller, less
C) called party, more
D) called party, less
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For PBXs, call forwarding is ________.
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A) horizontal distribution
B) vertical distribution
C) both A and B
D) neither A nor B
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Satellite ________ operate on a point-to-point basis.
A) uplinks
B) downlinks
C) both A and B
D) neither A nor B
Q:
Because of the curvature of the earth, microwave systems that must travel over long distances need ________.
A) to operate at low frequencies
B) to operate at high frequencies
C) repeaters
D) mirrors