Q.1. The maximum length of an Ethernet frame is

• 512 bytes
• 1518 bytes
• 2048 bytes
• 4096 bytes

Q.2. Which of the following mac addresses is a broadcast Ethernet address

• 00: 00: 00: 00: 00: 00
• 11: 11: 11: 11: 11: 11
• FF: FF: FF: FF: FF: FF
• 1.1.1.1

Q.3. The original Ethernet was limited to a length of

• 2500 m
• 1500 m
• 250 m
• 1000 m

Q.4. Which of the following media are allowed in an Ethernet

• UTP/STP
• Coaxial
• Optical Fiber
• All of the above

Q.5. The http protocol uses port number ______

• 27
• 447
• 110
• 80

Q.6. The feature that allows incompatible devices like a 10 Mbps device and a 100 Mbps device to communicate in Ethernet is called

• Bus arbitration
• CSMA/CD
• ALOHA
• Autonegotiation

Q.7. To convert a URL like http://google.com into an IP address, _____ is used

• HTTP
• TCP/IP
• Web Server
• DNS

Q.8. ADSL stands for

• Analog Digital Subscriber Line
• Asymmetric Digital Subscriber Line
• Analog Demodulated Subscriber Line
• Alternate Demodulated Subscriber Line

Q.9. Which of the following are WAN protocols

• SONET
• ATM
• WiMAX
• All of the above

Q.10. The set of standards that define WiFi are

• 802.11x
• 802.13x
• 802.14x
• 802.15x

Q.11. The data rate of Bluetooth is

• 200 Kbps
• 512 kbps
• 768 kbps
• 1 Mbps

Q.12. The maximum speed of a dial-up modem is

• 28 kbps
• 112 kbps
• 46 kbps
• 56 kbps

Q.13. A geostationary satellite orbits the earth at an altitude of

• 24000 km
• 43000 km
• 36000 km
• 27000 km

Q.14. The minimum number of geostationary satellites required to provide full global transmission is

• 3
• 24
• 5
• 6

Q.15. A device that operates at the physical layer and regenerates the bits but cannot perform any filtering of packets is called

• Switch
• Router
• Hub
• Gateway

Q.1. A device that operates at the data link layer and checks the destination address of a frame to decide on which outgoing port the frame should be sent is

• Switch
• Router
• Hub
• Gateway

Q.2. Which layer does a router operate at

• Network Layer
• Transport Layer
• Data link layer
• Physical Layer

Q.3. What is the number of possible IP addresses in the IP protocol

• one billion
• two billion
• three billion
• four billion

Q.4. End to end addressing at the transport layer are provided by

• IP Addresses
• Port Numbers
• MAC Addresses
• URLs

Q.5. The IP address 192.168.0.1 belongs to

• Class A
• Class B
• Class C
• none of the above

Q.6. If the Network ID part of an IP address is variable in length, the IP address is a

• Classful IP Address
• Classless IP Address
• Can be either one of the two
• Depends on the network

Q.7. A technique that divides the range of IP addresses obtained by an organization into several subranges is

• Subnetting
• VLANs
• CIDR
• Hierarchical routing

Q.8. Which of the following IP addresses is a loopback address

• 192.168.0.1
• 255.255.255.255
• 127.0.0.1
• 192.168.0.0

Q.9. Which of the following IP addresses is the broadcast IP address

• 192.168.0.1
• 255.255.255.255
• 127.0.0.1
• 192.168.0.0

Q.10. The protocol that automatically assigns IP addresses to computers that join a network is

• ALOHA
• DHCP
• HTTP
• TCP

Q.11. ICMP stands for

• Internetwork Configuration Message Protocol
• Internet Control Message Protocol
• Internet Configuration Management Protocol
• Internetwork Control Message Protocol

Q.12. Which of the following is a routing protocol

• RIP
• OSPF
• BGP
• All of the above

Q.13. The IP protocol is

• Connectionless
• Both connectionless and unreliable
• Unreliable
• Neither connectionless and unreliable

Q.14. The maximum allowed size of an IP packet is

• 65536 bytes
• 8192 bytes
• 32765 bytes
• 4096 bytes

Q.15. Fragmentation and reassembly of datagrams is done by

• Network layer
• Transport layer
• Data link layer
• All of the above