IT Interview Exam Paper: Networking 18
Subject: Networking 18
Part 18: List for questions and answers of Networking
Q1. 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 the mentioned
Q2. In DSL telco provides these services
a) Wired phone access
b) ISP
c) All of the mentioned
d) None of the mentioned
Q3. The function of DSLAM is
a) Convert analog signals into digital signals
b) Convert digital signals into analog signals
c) Amplify digital signals
d) None of the mentioned
Q4. The following term is not associted with DSL
a) DSLAM
b) CO
c) Splitter
d) CMTS
Q5. advertisements
a) HFC contains
b) Fibre cable
c) Coaxial cable
d) Both of the mentioned
Q6. 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
Q7. Among the optical-distribution architectures that is essentially switched ehternet is
a) AON
b) PON
c) NON
d) None of the mentioned
Q8. StarBand provides
a) FTTH internet access
b) Cable access
c) Telephone access
d) Satellite access
Q9. Home Access is provided by
a) DSL
b) FTTP
c) Cable
d) All of the mentioned
Q10. ONT is connected to splitter using
a) High speed fibre cable
b) HFC
c) Optical cable
d) None of the mentioned
Q11. 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
Q12. Which of this is not a guided media ?
a) Fiber optical cable
b) Coaxial cable
c) Wireless LAN
d) Copper wire
Q13. UTP is commonly used in
a) DSL
b) FTTP
c) HTTP
d) None of the mentioned
Q14. Coaxial cable consists of _______ concentric copper conductors
a) 1
b) 2
c) 3
d) 4
Q15. Fiber optics posses following properties
a) Immune electromagnetic interference
b) Very less signal attenuation
c) Very hard to tap
d) All of the mentioned
Q16. If an Optical Carrier is represented as OC-n, generally the link speed equals(in Mbps)
a) n*39.8
b) n*51.8
c) 2n*51.8
d) None of the mentioned
Q17. Terrestrial radio channels are broadly classifed into _____ groups
a) 2
b) 3
c) 4
d) 1
Q18. Radio channels are attractive medium because
a) Can penetrate walls
b) Connectivity can be given to mobile user
c) Can carry signals for long distance
d) All of the mentioned
Q19. Geostationary satellites
a) Are placed at a fixed point above the earth
b) Rotate the earth about a fixed axis
c) Rotate the earth about a varying axis
d) All of the mentioned
Q20. Where is a hub specified in the OSI model?
a) Session layer
b) Physical layer
c) Data Link layer
d) Application layer
Part 18: List for questions and answers of Networking
Q1. Answer: c
Q2. Answer: c
Q3. Answer: a
Q4. Answer: d
Q5. Answer: d
Q6. Answer: d
Q7. Answer: a
Q8. Answer: d
Q9. Answer: d
Q10. Answer: c
Q11. Answer: d
Q12. Answer: c
Q13. Answer: a
Q14. Answer: b
Q15. Answer: d
Q16. Answer: b
Q17. Answer: b
Q18. Answer: d
Q19. Answer: a
Q20. Answer: b