Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
Which of the following answers refers to an international standard for high-speed data communications over fiber-optic media?
|
SONET
|
|
A method that allows to combine multiple analog or digital data streams for transmission over a shared medium is known as:
|
Multiplexing
|
|
Which of the following answers refer(s) to the multiplexing method(s) used in fiber-optic communication?
|
CWDM
DWDM |
|
Which of the answers listed below refer to examples of packet-switching communication methods?
|
Frame relay
ATM |
|
What are the characteristic features of satellite Internet connections?
|
Signal latency
Interference (weather dependent) Low connection speed |
|
The use of cable modems within a standard cable television infrastructure for Internet access is commonly referred to as:
|
Broadband cable
|
|
What is the most common type of a DSL Internet access?
|
ADSL
|
|
Which of the following solutions allows for simultaneous digital transmission of voice, video, data, and other network services over a PSTN?
|
ISDN
|
|
What is the size of an ATM cell?
|
53 bytes
|
|
Which of the following answers refers to a method for establishing a dedicated point-to-point link between two networked devices?
|
PPP
|
|
MLPPP provides a method for combining two or more physical communication links into one logical interface for the purpose of improved speed and redundancy.
|
True
|
|
Which of the technologies listed below enables the use of different types of network protocols on the same network?
|
MPLS
|
|
Which of the following answers refer to cellular technologies used in mobile networks?
|
CDMA
GSM LTE |
|
What type of standard is LTE?
|
4G
|
|
The characteristic feature of the Evolved High-Speed Packet Access (HSPA+) standard is the use of:
|
MIMO
|
|
Which of the following Internet access types takes advantage of the traditional PSTN lines?
|
Dial-up
|
|
The IEEE 802.16 standards defining high-speed, long-distance wireless communication are also commonly referred to as:
|
WiMAX
|
|
In terms of size and reach, a Metropolitan Area Network (MAN) can be placed between a LAN (smaller type of network) and a WAN (larger type of network).
|
True
|
|
Metro-Ethernet is a general term for a computer network larger than a Local Area Network (LAN) and based on Ethernet standards.
|
True
|
|
Which of the following answers lists a more costly alternative to VPN?
|
Leased line
|
|
T1 lines support data transfer rates of up to:
|
1.544 Mbps
|
|
Which of the following answers lists the maximum data transfer rate of an E1 connection?
|
2.048 Mbps
|
|
T3 lines support data transfer rates of up to:
|
44.736 Mbps
|
|
Which of the answers listed below refers to the maximum data transfer rate of an E3 connection?
|
34.368 Mbps
|
|
Optical Carrier (OC) transmission rate specifications adhere to a pattern whereby OC prefix is followed by a number designating a multiple of the base unit of 51.84 Mbps.
|
True
|