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Question
Which of the following would a mail order company's customers prefer?A) 900 number service
B) 800 number service
C) WATS service
D) They would have no preference among these choices.
Answer
This answer is hidden. It contains 1 characters.
Related questions
Q:
In IP, the first bit in the second row is ________.
A) 0
B) 31
C) 32
D) 63
Q:
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.
Q:
In a four-step close, which side transmits a FIN segment?
A) the side that initiates the close
B) the other side
C) either side
D) neither side
Q:
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 ________.
A) protocol
B) message order
C) meaning
D) structure
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, ________.
A) fragmentation is likely to reduce delivery time for the entire application message
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
D) neither A nor B
Q:
Who controls the Internet?
A) the U.S. government
B) the United Nations
C) the IETF
D) no one
Q:
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
Q:
Which of the following is used to query a directory server to get someone's e-mail address?
A) LDAP
B) IMAP
C) SNMP
D) HTTP
Q:
Message units are a time and distance pricing method that can be used to charge for local calls.
Q:
Local calls are always billed on a flat rate basis where the customer pays a monthly fee for unlimited local calling.
Q:
In TDM, there are usually more frames than slots.
Q:
In the United States, IXCs provide telephone transmission service ________.
A) within a LATA
B) between LATAs
C) between the United States and another country
D) all of the above
Q:
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
Q:
For PBXs, call forwarding is ________.
A) a user service
B) an attendant service
C) a management service
Q:
In data wiring, there need to be four wires for each computer on the floor in ________.
A) horizontal distribution
B) vertical distribution
C) both A and B
D) neither A nor B
Q:
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