Hardware-and-various-devices-in-networking

Question 1
The gateway that stands between the mobile network and the Internet in GPRS is called as _______.
A
CCNS
B
SGGN
C
SGSN
D
CGSN
Computer-NetworksHardware-and-various-devices-in-networkingTNPSC-2017-Polytechnic-CS
Question 1 Explanation: 
A Gateway GPRS Support Node (GGSN) is part of the core network that connects GSM-based 3G networks to the Internet. The GGSN, sometimes known as a wireless router, works in tandem with the Serving GPRS Support Node (SGSN) to keep mobile users connected to the Internet and IP-based applications.
Question 2
10BASE2 uses ___________ cable while 10BASE5 uses __________ cable
A
Thick Coaxial, Thin Coaxial
B
Thin Coaxial, Thick Coaxial
C
UTP, Coaxial
D
Coaxial, Fibre-optic
Computer-NetworksHardware-and-various-devices-in-networkingAPPSC-2012-DL-CS
Question 2 Explanation: 
10BASE2 uses thin coaxial cable while 10BASE5 uses thick cable.
Question 3
Repeaters are used in ----------------
A
Data link layer
B
Physical layer
C
Network layer
D
Session layer
Computer-NetworksHardware-and-various-devices-in-networkingAPPSC-2016-DL-CS
Question 3 Explanation: 
Repeaters are used in physical layer because it is just used in the cable to regenerate or replicate a signal.
There are 3 questions to complete.

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