Q#1: Logical addressing is used to:
(A) Identify devices uniquely in a network
(B) Detect collisions
(C) Control flow
(D) None
Answer: (A) Identify devices uniquely in a network
Q#2: IP address is an example of:
(A) Logical address
(B) Physical address
(C) MAC address
(D) None
Answer: (A) Logical address
Q#3: MAC address is an example of:
(A) Physical address
(B) Logical address
(C) IP address
(D) None
Answer: (A) Physical address
Q#4: IPv4 address length is:
(A) 32 bits
(B) 64 bits
(C) 128 bits
(D) None
Answer: (A) 32 bits
Q#5: IPv6 address length is:
(A) 128 bits
(B) 32 bits
(C) 64 bits
(D) None
Answer: (A) 128 bits
Q#6: IP addresses consist of:
(A) Network ID and Host ID
(B) MAC only
(C) Port number
(D) None
Answer: (A) Network ID and Host ID
Q#7: Subnet mask is used to:
(A) Divide IP address into network and host
(B) Identify MAC address
(C) Detect collisions
(D) None
Answer: (A) Divide IP address into network and host
Q#8: Class A IP addresses range:
(A) 0.0.0.0 to 127.255.255.255
(B) 128.0.0.0 to 191.255.255.255
(C) 192.0.0.0 to 223.255.255.255
(D) None
Answer: (A) 0.0.0.0 to 127.255.255.255
Q#9: Class B IP addresses range:
(A) 128.0.0.0 to 191.255.255.255
(B) 0.0.0.0 to 127.255.255.255
(C) 192.0.0.0 to 223.255.255.255
(D) None
Answer: (A) 128.0.0.0 to 191.255.255.255
Q#10: Class C IP addresses range:
(A) 192.0.0.0 to 223.255.255.255
(B) 128.0.0.0 to 191.255.255.255
(C) 0.0.0.0 to 127.255.255.255
(D) None
Answer: (A) 192.0.0.0 to 223.255.255.255
Q#11: Loopback address in IPv4:
(A) 127.0.0.1
(B) 0.0.0.0
(C) 255.255.255.255
(D) None
Answer: (A) 127.0.0.1
Q#12: Private IP address ranges include:
(A) 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16
(B) 0.0.0.0 only
(C) 224.0.0.0 only
(D) None
Answer: (A) 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16
Q#13: Broadcast address sends data to:
(A) All hosts in a network
(B) Single host only
(C) Router only
(D) None
Answer: (A) All hosts in a network
Q#14: Subnetting is used to:
(A) Divide network into smaller subnets
(B) Detect collisions
(C) Assign MAC address
(D) None
Answer: (A) Divide network into smaller subnets
Q#15: CIDR (Classless Inter-Domain Routing) allows:
(A) Flexible subnetting without class boundaries
(B) Only classful addressing
(C) MAC addressing
(D) None
Answer: (A) Flexible subnetting without class boundaries
Q#16: IPv6 address notation uses:
(A) Hexadecimal, 8 groups separated by colons
(B) Decimal only
(C) Binary only
(D) None
Answer: (A) Hexadecimal, 8 groups separated by colons
Q#17: IPv6 features include:
(A) Larger address space, simplified header, auto-configuration
(B) Same as IPv4
(C) 32-bit only
(D) None
Answer: (A) Larger address space, simplified header, auto-configuration
Q#18: IPv4 private addresses cannot be routed on:
(A) Internet
(B) LAN
(C) Wireless LAN
(D) None
Answer: (A) Internet
Q#19: Public IP addresses are assigned by:
(A) IANA/ISP
(B) Local admin
(C) MAC manufacturer
(D) None
Answer: (A) IANA/ISP
Q#20: IP address classes are mostly used in:
(A) Classful addressing
(B) Classless only
(C) MAC addressing
(D) None
Answer: (A) Classful addressing
Q#21: IPv4 multicast addresses range:
(A) 224.0.0.0 to 239.255.255.255
(B) 0.0.0.0 to 127.255.255.255
(C) 128.0.0.0 to 191.255.255.255
(D) None
Answer: (A) 224.0.0.0 to 239.255.255.255
Q#22: IPv4 APIPA address (Automatic Private IP Addressing):
(A) 169.254.0.0/16
(B) 192.168.0.0
(C) 10.0.0.0
(D) None
Answer: (A) 169.254.0.0/16
Q#23: IPv6 unicast address identifies:
(A) Single interface
(B) All nodes
(C) Multicast group
(D) None
Answer: (A) Single interface
Q#24: IPv6 multicast address identifies:
(A) Group of interfaces
(B) Single interface
(C) Broadcast
(D) None
Answer: (A) Group of interfaces
Q#25: IPv6 anycast address identifies:
(A) Nearest interface among a group
(B) Single host
(C) All nodes
(D) None
Answer: (A) Nearest interface among a group
Q#26: ARP (Address Resolution Protocol) maps:
(A) IP address to MAC address
(B) MAC to IP
(C) IP to port
(D) None
Answer: (A) IP address to MAC address
Q#27: RARP (Reverse ARP) maps:
(A) MAC address to IP address
(B) IP to MAC
(C) IP to port
(D) None
Answer: (A) MAC address to IP address
Q#28: IP address uniqueness ensures:
(A) Proper delivery of packets
(B) Only security
(C) Speed
(D) None
Answer: (A) Proper delivery of packets
Q#29: Subnet mask in CIDR notation:
(A) /24, /16, /8 etc.
(B) Only decimal
(C) Binary only
(D) None
Answer: (A) /24, /16, /8 etc.
Q#30: Default gateway is used to:
(A) Forward packets to remote networks
(B) Connect devices in same LAN
(C) Assign MAC address
(D) None
Answer: (A) Forward packets to remote networks
Q#31: IPv6 link-local addresses begin with:
(A) FE80::/10
(B) 2000::/3
(C) 127.0.0.0/8
(D) None
Answer: (A) FE80::/10
Q#32: IPv6 global unicast addresses begin with:
(A) 2000::/3
(B) FE80::/10
(C) FF00::/8
(D) None
Answer: (A) 2000::/3
Q#33: Broadcasting in IPv6 is replaced by:
(A) Multicast
(B) Unicast
(C) Anycast
(D) None
Answer: (A) Multicast
Q#34: IPv4 subnetting improves:
(A) Network utilization and management
(B) Speed only
(C) Security only
(D) None
Answer: (A) Network utilization and management
Q#35: IP address assignment methods include:
(A) Static, dynamic (DHCP)
(B) Only static
(C) Only dynamic
(D) None
Answer: (A) Static, dynamic (DHCP)
Q#36: DHCP stands for:
(A) Dynamic Host Configuration Protocol
(B) Domain Host Control Protocol
(C) Device Host Communication Protocol
(D) None
Answer: (A) Dynamic Host Configuration Protocol
Q#37: NAT (Network Address Translation) translates:
(A) Private IP to public IP and vice versa
(B) MAC to IP
(C) IP to port
(D) None
Answer: (A) Private IP to public IP and vice versa
Q#38: Subnetting reduces:
(A) Broadcast domain size
(B) Speed
(C) MAC addresses
(D) None
Answer: (A) Broadcast domain size
Q#39: CIDR notation /24 represents:
(A) 255.255.255.0 subnet mask
(B) 255.0.0.0
(C) 255.255.0.0
(D) None
Answer: (A) 255.255.255.0 subnet mask
Q#40: IPv6 header is:
(A) Simplified compared to IPv4
(B) Same as IPv4
(C) Longer than IPv4
(D) None
Answer: (A) Simplified compared to IPv4
Q#41: IP address exhaustion led to:
(A) IPv6 adoption
(B) Faster IPv4
(C) More MAC addresses
(D) None
Answer: (A) IPv6 adoption
Q#42: Anycast address is useful for:
(A) Load balancing and nearest server delivery
(B) Single host only
(C) Broadcast only
(D) None
Answer: (A) Load balancing and nearest server delivery
Q#43: Multicast in IPv4 uses addresses:
(A) 224.0.0.0 – 239.255.255.255
(B) 127.0.0.1 only
(C) 0.0.0.0 only
(D) None
Answer: (A) 224.0.0.0 – 239.255.255.255
Q#44: Link-local address is used for:
(A) Communication within a subnet
(B) Internet only
(C) VLAN only
(D) None
Answer: (A) Communication within a subnet
Q#45: IP header includes:
(A) Source IP, Destination IP, TTL, Protocol
(B) MAC address only
(C) Port number only
(D) None
Answer: (A) Source IP, Destination IP, TTL, Protocol
Q#46: TTL (Time To Live) prevents:
(A) Packets from circulating endlessly
(B) Collisions
(C) Data loss
(D) None
Answer: (A) Packets from circulating endlessly
Q#47: IPv6 eliminates:
(A) NAT requirement due to large address space
(B) Subnetting
(C) MAC addresses
(D) None
Answer: (A) NAT requirement due to large address space
Q#48: Loopback in IPv6 address:
(A) ::1
(B) FE80::
(C) 2000::
(D) None
Answer: (A) ::1
Q#49: IPv4 fragmentation occurs at:
(A) Network layer
(B) Data link layer
(C) Physical layer
(D) None
Answer: (A) Network layer
Q#50: Primary purpose of logical addressing:
(A) Unique device identification for proper packet delivery
(B) Collision detection
(C) MAC address assignment
(D) None
Answer: (A) Unique device identification for proper packet delivery