1
Question Which type of network uses dual fibre-optic rings?
1. FDDI
2. Ethernet
3. ATM
4. Token Ring
5. None of above
Answer. 1
2
Question Which protocol uses port number 23?
1. SMTP
2. Telnet
3. HTTP
4. FTP
5. All of above
Answer. 2
3
Question At which layer does a Bridge operate?
1. Physical
2. Network
3. Data Link
4. Session
5. None of above
Answer. 3
4
Question What do you call a fibre optic cable in which the light signals follow multiple paths?
1. Multi mode
2. Baseband
3. Broadband
4. Single mode
5. All of above
Answer. 3
5
Question According to the OSI model which layer performs the function of transforming bits of data into electrical signals and sending those signals across the media?
1. Network
2. Transport
3. Physical
4. Data Link
5. None of above
Answer. 3
Answer
Question What do you call a communication system which uses start and stop bits to synchronize the sender and receiver?
1. Full Duplex
2. Asynchronous
3. Synchronous
4. Half Duplex
5. All of above
Answer. 2
7
Question Which of the following is mentioned in the correct sequence (from lowest layer to highest)?
1. Physical Data Link Network Transport Session Presentation Application
2. Physical Network Data Link Session Transport Presentation Application
3. Physical Data Link Network Transport Presentation Session Application
4. Transport Session Data Link Application Presentation Network Physical
5. None of above
Answer. 3
8
Question Which cabling media does not suffer from Electro-Magnetic Interference(EMI)?
1. Fibre Optic Cable
2. Unshielded Twisted Pair Cable
3. Thin Coaxial Cable
4. Thick Coaxial Cable
5. All of above
Answer. 1
9
Question What do you call a communication system which uses a clocking mechanism to synchronize the sender and receiver?
1. Full Duplex
2. Half Duplex
3. Synchronous
4. Asynchronous
5. None of above
Answer. 3
10
Question Which layer of the OSI model corresponds to IP?
1. Physical
2. Data Link
3. Session
4. Network
5. All of above
Answer. 4
Question Which type of network uses dual fibre-optic rings?
1. FDDI
2. Ethernet
3. ATM
4. Token Ring
5. None of above
Answer. 1
2
Question Which protocol uses port number 23?
1. SMTP
2. Telnet
3. HTTP
4. FTP
5. All of above
Answer. 2
3
Question At which layer does a Bridge operate?
1. Physical
2. Network
3. Data Link
4. Session
5. None of above
Answer. 3
4
Question What do you call a fibre optic cable in which the light signals follow multiple paths?
1. Multi mode
2. Baseband
3. Broadband
4. Single mode
5. All of above
Answer. 3
5
Question According to the OSI model which layer performs the function of transforming bits of data into electrical signals and sending those signals across the media?
1. Network
2. Transport
3. Physical
4. Data Link
5. None of above
Answer. 3
Answer
Question What do you call a communication system which uses start and stop bits to synchronize the sender and receiver?
1. Full Duplex
2. Asynchronous
3. Synchronous
4. Half Duplex
5. All of above
Answer. 2
7
Question Which of the following is mentioned in the correct sequence (from lowest layer to highest)?
1. Physical Data Link Network Transport Session Presentation Application
2. Physical Network Data Link Session Transport Presentation Application
3. Physical Data Link Network Transport Presentation Session Application
4. Transport Session Data Link Application Presentation Network Physical
5. None of above
Answer. 3
8
Question Which cabling media does not suffer from Electro-Magnetic Interference(EMI)?
1. Fibre Optic Cable
2. Unshielded Twisted Pair Cable
3. Thin Coaxial Cable
4. Thick Coaxial Cable
5. All of above
Answer. 1
9
Question What do you call a communication system which uses a clocking mechanism to synchronize the sender and receiver?
1. Full Duplex
2. Half Duplex
3. Synchronous
4. Asynchronous
5. None of above
Answer. 3
10
Question Which layer of the OSI model corresponds to IP?
1. Physical
2. Data Link
3. Session
4. Network
5. All of above
Answer. 4
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