Complete Solutions
/. A VPN:
A. is an encrypted private network configured within a public network.
B.
is more expensive than a dedicated network.
C.
provides secure, encrypted communications using Telnet.
D.
is an Internet-based service for delivering voice communications.
E.
is a proprietary networking service technology developed by individual corporations. -
Answer-✅A. is an encrypted private network configured within a public network.
/.Fiber-optic cable is more expensive and harder to install than wire media.
True or False? - Answer-✅True
/.Which of the following is not a characteristic of packet switching?
A.
Packets travel independently of each other.
B.
Packets are routed through many different paths.
C.
Packet switching requires point-to-point circuits.
D.
Packets include data for checking transmission errors.
E.
Packets are reassembled into the original message when they reach their destinations.
- Answer-✅C.
Packet switching requires point-to-point circuits.
/.IPv6 has been developed in order to:
A.
update the packet transmission protocols for higher bandwidth.
B.
create more IP addresses.
C.
allow for different levels of service.
D.
support Internet2.
E.
reduce excess IP addresses. - Answer-✅B.
, create more IP addresses.
/.What service converts IP addresses into more recognizable alphanumeric names?
A.
HTML
B.
FTP
C.
IP
D.
HTTP
E.
DNS - Answer-✅E.
DNS
/.VoIP technology delivers voice information in digital form using packet switching.
True or False? - Answer-✅True
/.What are the four layers of the TCP/IP reference model?
A.
Physical, application, transport, and network interface
B.
Physical, application, Internet, and network interface
C.
Application, transport, Internet, and network interface
D.
Application, hardware, Internet, and network interface
E.
Software, hardware, network interface, Internet - Answer-✅C.
Application, transport, Internet, and network interface
/.The Domain Name System (DNS) converts domain names to IP addresses. True or
False? - Answer-✅True
/.Which of the following is the best description of a protocol in a telecommunications
network architecture?A.
A device that handles the switching of voice and data in a local area network
B.
A standard set of rules and procedures for control of communications in a network
C.
A communications service for microcomputer users
D.
The main computer in a telecommunications network
E.