Deck 10: Internet Technologies: Out to the Internet

Question 1

What is an international standard that enables high-speed data transfers over a cable system?

A)DOCSIS
B)DSLAM
C)VDSL
D)SONET

Answer 1

A

Question 2

The difference between line of demarcation and point of presence is:
Line of demarcation defines the connection point to the communication carrier.
Point of presence is the point where ownership of the communication equipment changes.
True or False?

Answer 2

False

Question 3

The CSU/DSU's blue alarm indicates a total loss of the incoming signal.True or False?

Answer 3

True

Question 4

The options for data encapsulation on a Cisco router can be viewed by entering encap? at the router's (config)# prompt.True or False?

Question 5

BGP is considered to be which of the following?

A)An external routing protocol
B)An internal routing protocol
C)Used for routing between the same network
D)Outdated

Question 6

Discrete multitone is a single-carrier technique used for transporting digital data over copper telephone lines.A test is initiated at start-up to determine which of the 256 subchannel frequencies should be used to carry the digital data.True or False?

Question 7

What does APIPA stand for?

A)Automatic Private IP Addressing
B)Automatic Public IP Addressing
C)Automatic Port IP Assignment
D)Automatic Protocol Inspection Per Asset

Question 8

What is a Pointer record in DNS?

A)It is a reverse record (a mapping of an IP address to a hostname).
B)It is a mapping of a hostname to an IP address.
C)It is a record to locate a Mail server.
D)It is a record to locate an LDAP server.

Question 9

The data transfer for V.92/90 is called asymmetric operation because the data rate connection to the ISP is at V.24 speeds where the data rate connection from the ISP is at V.92/90 speeds.True or False?

Question 10

The easiest routing protocol to use for WAN links is a static route.If there are multiple connections to the remote site,OSPF or EIGRP should be used.True or False?

Question 11

What is the record used for an IPv6 address entry in DNS?

A)AAA
B)PTR
C)CNAME
D)AAAA

Question 12

Which is not an advantage of the peer-to-peer network?

A)Centralized network security
B)Easy to set up
C)Low cost
D)User-controlled resource sharing

Question 13

What is commonly called an Alias in DNS?

A)A PTR record
B)An MX record
C)A CNAME record
D)An NS record

Question 14

What record in DNS is used to specify that a host provides a specific type of service?

A)MX
B)PTR
C)CNAME
D)SRV

Question 15

What type of network might be used in a very small office where very basic file and print sharing must be used?

A)Client/server
B)Private cloud
C)Peer-to-peer
D)Hybrid cloud

Question 16

What DNS record specifies the email server of the domain?

A)PTR
B)CNAME
C)TXT
D)MX

Question 17

A multihomed customer has which of the following?

A)A single Internet connection
B)More than one Internet connection
C)Static routes
D)None of these answers are correct.

Question 18

Upstream provides the data connection from which of the following?

A)The computer user to the service provider
B)The service provider to the user
C)The ISP to telco
D)Telco to the ISP