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Question
PPP is standardized at the ________ layer.A) physical
B) data link
C) Internet
D) transport
Answer
This answer is hidden. It contains 1 characters.
Related questions
Q:
WAN optimization provides ________.
A) network protocol acceleration
B) caching
C) both A and B
D) neither A nor B
Q:
MPLS is ________ the source and destination hosts.
A) transparent to
B) nontransparent to
C) apparent to
D) a burden on
Q:
MPLS routers base their decisions on a packet's ________.
A) destination IP address
B) label number
C) both A and B
D) neither A nor B
Q:
MPLS ________ the work that each router must do to deliver a packet during a traffic exchange.
A) reduces
B) increases
C) does not affect
D) occasionally reduces
Q:
In MPLS, the router interface to send the packet back out will be decided ________.
A) during the router's routing process
B) before the packet arrives
C) by a dynamic routing protocol
D) none of the above
Q:
To connect two sites at 2.8 Mbps, I would use ________.
A) a T1 line
B) bonded T1 lines
C) a T2 line
D) a T3 line
Q:
Which lines run from one customer premise to another?
A) leased lines
B) access lines
C) both A and B
D) neither A nor B
Q:
Which of the following affects what throughput an individual user will receive?
A) being in a moving car
B) being far from the cellsite
C) both A and B
D) neither A nor B
Q:
Today's dominant cellular technology is ________.
A) LTE
B) 3G
C) HSPA+
D) MTSO
Q:
In cellular technology, the carrier antenna and equipment to which mobile customers connect directly is called a(n) ________.
A) cell
B) cellsite
C) MTSO
D) wireline carrier
Q:
In cellular technology, a ________ is a small geographical area.
A) cell
B) cellsite
C) both A and B
D) neither A nor B
Q:
Two-way amplifiers are needed for cable ________ service.
A) television
B) data
C) both A and B
D) neither A nor B
Q:
For ADSL service, which of the following typically must be added to the telephone system?
A) a DSLAM
B) a transmission line to the customer premises
C) both A and B
D) neither A nor B
Q:
DSL residential service provides ________.
A) symmetric speed
B) asymmetric speed
C) both A and B
D) neither A nor B
Q:
In the telephone system, the lines that connect customers to the nearest switch are called the ________.
A) access lines
B) local lines
C) access loop
D) local loop
Q:
How do WAN carriers typically get their trunk lines?
A) They construct them.
B) They lease them from telephone companies.
C) They use wireless transmission.
D) They use the Internet.
Q:
Which of the following allows you to connect to the hosts of almost any corporation today?
A) carrier WANs
B) the Internet
C) both A and B
Q:
A WAN is the network that ________.
A) links different sites together
B) provides service within about a mile
C) provides service within a site
D) all of the above
Q:
To see if a target host can be reached, you normally would send it an ICMP ________ message.
A) echo request
B) error advisement
C) either A or B
D) neither A nor B
Q:
________ is an interior dynamic routing protocol.
A) OSPF
B) BGP
C) both A and B
D) neither A nor B
Q:
Which of the following can route non-IP packets?
A) OSPF
B) EIGRP
C) both A and B
D) neither A nor B
Q:
The part of an IPv6 global unicast address that designates the host is called the ________.
A) host part
B) interface ID
C) routing prefix
D) none of the above
Q:
The routing prefix in IPv6 is like the ________ part in an IPv4 address.
A) network
B) subnet
C) host
D) both A and B
Q:
IPsec is used for ________ VPNs.
A) remote-access
B) site-to-site
C) both A and B
D) neither A nor B
Q:
Which of the following would be an SNMP object?
A) number of rows in routing table
B) a managed switch
C) both A and B
D) neither A nor B
Q:
A company receives its domain name from ________.
A) IETF
B) its ISP
C) a domain registrar
D) its parents
Q:
How many DNS root servers are there?
A) 1
B) 2
C) 10
D) 13
Q:
".edu" is a ________.
A) root domain
B) top-level domain
C) second-level domain
D) none of the above
Q:
Which of the following is a private IP address range?
A) 10.x.x.x
B) 128.171.x.x
C) both A and B
D) neither A nor B
Q:
You have a 20-bit network part and a 4-bit subnet part. How many hosts can you have per subnet?
A) 14
B) 16
C) 254
D) none of the above