RESOURCES 2026 VERIFIED SOLUTIONS
READY
⫸ True or False
A communications network is a collection of switching nodes.
Answer: True
⫸ True or False
A handoff (or handover) changes the routing of an ongoing voice call
from one cell to another. Answer: True
⫸ How many generations of cellular standards were developed to
arrive at the modern day standard?. Answer: 5
⫸ The SIM card does the following. Answer: -Houses confidential
and cryptographic algorithms
-Contains the subscriber phone number
⫸ The Service Switching Points SS-7 network node performs the
following function. Answer: Switching centers used to establish,
transport, or forward voice and data
, ⫸ The Base Transceiver Station includes the following fucntions.
Answer: -Error protection is performed in BTS
-Link level protocol LAPDm for signaling on the radio path
-Allocated a set of frequency channels
⫸ A ______ is a regional area that manages connections between
subscribers. Answer: Mobile switching center
⫸ Within a GSM radio network, there are two kinds of channels
______ and ______. Answer: traffic
signaling
⫸ A ______ IC converts analog to binary serial bit stream and the
reverse. Answer: Codec
⫸ True or False
CDMA signals are segregated by unique (orthogonal) PN sequences.
Answer: True
⫸ True or False
A correlation function equals 1 if the two codes have nothing in
common. Answer: False
⫸ True or False