Q. Which pins of the 555 timer are used to set the timing interval in astable mode?
A.
Pin 1 and Pin 2
B.
Pin 2 and Pin 6
C.
Pin 6 and Pin 3
D.
Pin 4 and Pin 8
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Solution
In astable mode, the timing interval is set by the resistors connected to pins 2 (trigger) and 6 (threshold) along with the capacitor connected to pin 6.
Correct Answer:
B
— Pin 2 and Pin 6
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Q. Which port in the 8051 microcontroller is used for serial communication?
A.
Port 0
B.
Port 1
C.
Port 2
D.
Port 3
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Solution
Port 3 is used for serial communication in the 8051 microcontroller.
Correct Answer:
D
— Port 3
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Q. Which port on the 8051 microcontroller is used for serial communication?
A.
Port 0
B.
Port 1
C.
Port 2
D.
Port 3
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Solution
Port 3 on the 8051 microcontroller is used for serial communication.
Correct Answer:
D
— Port 3
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Q. Which programming method is commonly used for FPGAs?
A.
VHDL
B.
C++
C.
Python
D.
Java
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Solution
VHDL (VHSIC Hardware Description Language) is commonly used for programming FPGAs, allowing designers to describe the behavior and structure of electronic systems.
Correct Answer:
A
— VHDL
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Q. Which property of semiconductors allows them to be used in memory devices?
A.
High thermal conductivity
B.
Variable conductivity
C.
Low melting point
D.
High density
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Solution
The variable conductivity of semiconductors, which can be altered by doping, allows them to be effectively used in memory devices.
Correct Answer:
B
— Variable conductivity
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Q. Which protocol is commonly affected by NAT due to its reliance on IP address information?
A.
HTTP
B.
FTP
C.
SMTP
D.
ICMP
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Solution
FTP is commonly affected by NAT because it relies on IP address information for establishing connections.
Correct Answer:
B
— FTP
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Q. Which protocol is commonly used for dynamic IP address allocation in a subnet?
A.
DHCP
B.
ARP
C.
ICMP
D.
RIP
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Solution
DHCP (Dynamic Host Configuration Protocol) is used to dynamically assign IP addresses to devices within a subnet.
Correct Answer:
A
— DHCP
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Q. Which protocol is commonly used for routing in IP networks?
A.
HTTP
B.
FTP
C.
BGP
D.
SMTP
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Solution
BGP (Border Gateway Protocol) is commonly used for routing between different autonomous systems in IP networks.
Correct Answer:
C
— BGP
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Q. Which protocol is commonly used for secure data transmission over the Internet?
A.
HTTP
B.
FTP
C.
HTTPS
D.
SMTP
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Solution
HTTPS (Hypertext Transfer Protocol Secure) is used for secure data transmission over the Internet.
Correct Answer:
C
— HTTPS
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Q. Which protocol is commonly used in conjunction with NAT for establishing connections?
A.
HTTP
B.
FTP
C.
SIP
D.
ICMP
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Solution
SIP (Session Initiation Protocol) is commonly used in conjunction with NAT for establishing connections, especially in VoIP applications.
Correct Answer:
C
— SIP
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Q. Which protocol is commonly used in conjunction with NAT to facilitate communication between private and public networks?
A.
HTTP
B.
FTP
C.
ICMP
D.
IP
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Solution
NAT works with the Internet Protocol (IP) to facilitate communication between private and public networks by translating IP addresses.
Correct Answer:
D
— IP
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Q. Which protocol is commonly used to manage the Spanning Tree Protocol?
A.
Rapid Spanning Tree Protocol (RSTP)
B.
Link Aggregation Control Protocol (LACP)
C.
Virtual LAN (VLAN)
D.
Internet Control Message Protocol (ICMP)
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Solution
Rapid Spanning Tree Protocol (RSTP) is an evolution of STP that provides faster convergence.
Correct Answer:
A
— Rapid Spanning Tree Protocol (RSTP)
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Q. Which protocol is commonly used to manage VLANs?
A.
Spanning Tree Protocol (STP)
B.
VLAN Trunking Protocol (VTP)
C.
Internet Control Message Protocol (ICMP)
D.
Hypertext Transfer Protocol (HTTP)
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Solution
VLAN Trunking Protocol (VTP) is used to manage VLAN configurations across multiple switches in a network.
Correct Answer:
B
— VLAN Trunking Protocol (VTP)
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Q. Which protocol is primarily used for routing in Wide Area Networks?
A.
HTTP
B.
FTP
C.
BGP
D.
SMTP
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Solution
BGP (Border Gateway Protocol) is the primary protocol used for routing between different autonomous systems in Wide Area Networks.
Correct Answer:
C
— BGP
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Q. Which protocol is primarily used for the automatic configuration of IPv6 addresses?
A.
DHCPv6
B.
ICMPv6
C.
ARP
D.
RARP
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Solution
DHCPv6 is the protocol used for the automatic configuration of IPv6 addresses, allowing devices to obtain their IP configuration from a DHCP server.
Correct Answer:
A
— DHCPv6
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Q. Which protocol is primarily used for wireless communication in local area networks?
A.
HTTP
B.
FTP
C.
IEEE 802.11
D.
TCP
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Solution
IEEE 802.11 is the set of protocols used for wireless communication in local area networks, commonly known as Wi-Fi.
Correct Answer:
C
— IEEE 802.11
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Q. Which protocol is primarily used for wireless network security?
A.
HTTP
B.
FTP
C.
WPA2
D.
SMTP
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Solution
WPA2 (Wi-Fi Protected Access 2) is the most commonly used protocol for securing wireless networks, providing strong encryption and authentication.
Correct Answer:
C
— WPA2
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Q. Which protocol is used for routing in the TCP/IP model?
A.
HTTP
B.
FTP
C.
IP
D.
SMTP
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Solution
IP (Internet Protocol) is used for routing in the TCP/IP model, directing packets to their destination.
Correct Answer:
C
— IP
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Q. Which protocol is used for secure communication over a computer network?
A.
HTTP
B.
FTP
C.
HTTPS
D.
SMTP
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Solution
HTTPS (HyperText Transfer Protocol Secure) is used for secure communication over a computer network.
Correct Answer:
C
— HTTPS
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Q. Which protocol is used for secure communication over the internet?
A.
HTTP
B.
FTP
C.
HTTPS
D.
SMTP
Show solution
Solution
HTTPS (HyperText Transfer Protocol Secure) is used for secure communication over a computer network.
Correct Answer:
C
— HTTPS
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Q. Which protocol is used for secure remote access to network devices?
A.
HTTP
B.
FTP
C.
SSH
D.
Telnet
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Solution
SSH (Secure Shell) is used for secure remote access to network devices, providing encrypted communication.
Correct Answer:
C
— SSH
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Q. Which protocol is used for sending email over the Internet?
A.
FTP
B.
SMTP
C.
HTTP
D.
SNMP
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Solution
SMTP (Simple Mail Transfer Protocol) is used for sending email over the Internet.
Correct Answer:
B
— SMTP
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Q. Which protocol is used for sending error messages in TCP/IP?
A.
TCP
B.
UDP
C.
ICMP
D.
HTTP
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Solution
ICMP (Internet Control Message Protocol) is used for sending error messages and operational information in TCP/IP.
Correct Answer:
C
— ICMP
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Q. Which protocol is used for the automatic configuration of IPv6 addresses?
A.
DHCPv6
B.
ICMPv6
C.
ARP
D.
RARP
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Solution
DHCPv6 is the protocol used for the automatic configuration of IPv6 addresses, similar to DHCP for IPv4.
Correct Answer:
A
— DHCPv6
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Q. Which protocol is used to elect the Root Bridge in STP?
A.
Bridge Protocol Data Unit (BPDU)
B.
Routing Information Protocol (RIP)
C.
Open Shortest Path First (OSPF)
D.
Internet Control Message Protocol (ICMP)
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Solution
BPDU is used in STP to communicate information about bridge IDs and to elect the Root Bridge.
Correct Answer:
A
— Bridge Protocol Data Unit (BPDU)
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Q. Which protocol is used to securely transfer files over the Internet?
A.
FTP
B.
SFTP
C.
HTTP
D.
SMTP
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Solution
SFTP (Secure File Transfer Protocol) is used to securely transfer files over the Internet.
Correct Answer:
B
— SFTP
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Q. Which protocol uses the Dijkstra algorithm for route calculation?
A.
EIGRP
B.
RIP
C.
OSPF
D.
BGP
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Solution
OSPF uses the Dijkstra algorithm, also known as the Shortest Path First (SPF) algorithm, to calculate the shortest path to each node in the network.
Correct Answer:
C
— OSPF
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Q. Which region of a BJT is reverse-biased in the active mode?
A.
Emitter-Base
B.
Collector-Base
C.
Emitter-Collector
D.
Base-Collector
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Solution
In the active mode, the collector-base junction is reverse-biased.
Correct Answer:
B
— Collector-Base
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Q. Which SQL clause is used to filter records in a query?
A.
ORDER BY
B.
GROUP BY
C.
WHERE
D.
HAVING
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Solution
The 'WHERE' clause is used to filter records in a SQL query based on specified conditions.
Correct Answer:
C
— WHERE
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Q. Which SQL command is used to remove a table from a database?
A.
DELETE
B.
DROP
C.
REMOVE
D.
TRUNCATE
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Solution
The SQL command used to remove a table from a database is DROP.
Correct Answer:
B
— DROP
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