1. In an MPLS network, a routing label is affixed in front of the IP header to p
ID: 3716906 • Letter: 1
Question
1. In an MPLS network, a routing label is affixed in front of the IP header to provide quality-of-service information, thus enabling prioritization of the packet through an MPLS network.
True
False
2. Select the correct statement(s) regarding the cellular network concept.
a. Implementation of a cellular architecture leads to greater frequency reuse
b. Adoption of cellular concepts increases the complexity of the network
c. Use of the cellular concept is necessary when subscription levels are high, but allocated frequency spectrum is limited
d. All of the statements are correct
3. Select the correct statement(s) regarding cellular telephone networks.
a. lower cell tower transmission power results in smaller cell size
b. the lower the cell reuse pattern, “N”, the greater the frequency reuse over the entire service area
c. as cell sizes decrease network complexity increases
d. all of the statements are correct
4. Select the correct statement(s) regarding the components of a basic cellular systems (e.g., GSM).
a. all base stations and/or base station controllers are connected to the cellular systems mobile switch which facilitates mobile handoffs between cells, and connectivity to external terrestrial networks such as the PSTN and Internet
b. base stations are directly connected to one another through wireless broadband trunks
c. each base station is equipped with a switch that enables connection to external networks such as the PSTN and Internet
d. All statement(s) are correct
5. When attempting to increase the number of subscribers that can be serviced, cellular service providers can do which of the following?
a. establish frequency channel borrowing between cells
b. split cells into sectors using smart antennas
c. divide cells into smaller cells
d. all of the above
a. Implementation of a cellular architecture leads to greater frequency reuse
b. Adoption of cellular concepts increases the complexity of the network
c. Use of the cellular concept is necessary when subscription levels are high, but allocated frequency spectrum is limited
d. All of the statements are correct
3. Select the correct statement(s) regarding cellular telephone networks.
a. lower cell tower transmission power results in smaller cell size
b. the lower the cell reuse pattern, “N”, the greater the frequency reuse over the entire service area
c. as cell sizes decrease network complexity increases
d. all of the statements are correct
4. Select the correct statement(s) regarding the components of a basic cellular systems (e.g., GSM).
a. all base stations and/or base station controllers are connected to the cellular systems mobile switch which facilitates mobile handoffs between cells, and connectivity to external terrestrial networks such as the PSTN and Internet
b. base stations are directly connected to one another through wireless broadband trunks
c. each base station is equipped with a switch that enables connection to external networks such as the PSTN and Internet
d. All statement(s) are correct
5. When attempting to increase the number of subscribers that can be serviced, cellular service providers can do which of the following?
a. establish frequency channel borrowing between cells
b. split cells into sectors using smart antennas
c. divide cells into smaller cells
d. all of the above
Explanation / Answer
Answer)
1. In an MPLS network, a routing label is affixed in front of the IP header to provide quality-of-service information, thus enabling prioritization of the packet through an MPLS network.
True
False
True, In MLPS network, there is a 3-bit Traffic Class field affixed in front of the IP header for QoS prioritization,thus enabling prioritization of the packet through an MPLS network
2. Select the correct statement(s) regarding the cellular network concept.
a. Implementation of a cellular architecture leads to greater frequency reuse
b. Adoption of cellular concepts increases the complexity of the network
c. Use of the cellular concept is necessary when subscription levels are high, but allocated frequency spectrum is limited
d. All of the statements are correct
d. All of the statements are correct
As implementation of cellular concepts increases the complexity of the network, increases the complexity even and also use of the cellular concept is necessary when subscription levels are high, but allocated frequency spectrum is limited
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