Access Networks - Computer Networks Questions and Answers
1.
Which of this is not a constituent of residential telephone line?
A.)
A high-speed downstream channel
B.)
A medium-speed downstream channel
C.)
A low-speed downstream channel
D.)
None of these
Answer: Option 'C'
A low-speed downstream channel
2.
The function of DSLAM is
A.)
Convert analog signals into digital signals
B.)
Amplify digital signals
C.)
Convert digital signals into analog signals
D.)
None of these
Answer: Option 'A'
Convert analog signals into digital signals
3.
In DSL telco provides these services
A.)
Wired phone access
B.)
ISP
C.)
All of the mentioned
D.)
None of the mentioned
Answer: Option 'C'
All of the mentioned
4.
The following term is not associted with DSL
A.)
DSLAM
B.)
CO
C.)
Splitter
D.)
CMTS
Answer: Option 'D'
CMTS
5.
HFC contains
A.)
Fibre cable
B.)
Coaxial cable
C.)
Both of the mentioned
D.)
None of these
Answer: Option 'C'
Both of the mentioned
6.
Among the optical-distribution architectures that is essentially switched ehternet is
A.)
AON
B.)
PON
C.)
NON
D.)
None of these
Answer: Option 'A'
AON
7.
Choose the statement which is not applicable for cable internet access
A.)
It is a shared broadcast medium
B.)
It includes HFCs
C.)
Cable modem connects home PC to Ethernet port
D.)
Analog signal is converted to digital signal in DSLAM
Answer: Option 'D'
Analog signal is converted to digital signal in DSLAM
8.
Home Access is provided by
A.)
Cable
B.)
DSL
C.)
FTTP
D.)
All of these
Answer: Option 'D'
All of these
9.
ONT is connected to splitter using
A.)
High speed fibre cable
B.)
HFC
C.)
Optical cable
D.)
None of these
Answer: Option 'C'
Optical cable
- Basics Computer Networks Question and Answers
- Reference Models
- Physical Layer
- Data Link Layer
- Network Layer
- Transport Layer
- Application Layer
- DNS
- Telnet
- World Wide Web
- HTTP and FTP
- Ethernet
- Wireless LAN
- WiMAX
- Bluetooth
- ATM Frame Relay
- Access Networks
- Physical Media
- Multiplexing
- Topology
- Packet Switching & Circuit Switching
- SONET
- Internet
- Cryptography
- Security In The Internet
- Delays and Loss
- Network Attacks
- DHCP
- SMTP
- FTP
10.
These factors affect transmission rate in DSL
A.)
The gauge of the twisted-pair line
B.)
Degree of electrical interfernece
C.)
Shadow fading
D.)
Both a and b
Answer: Option 'D'
Both a and b
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