NWC203 12

Which protocol is used to assign temporary IP addresses to hosts?

• A. ICMP

• B. DHCP

• C. ARP

• D. None of the above

In order to maximize the usage of limited IP addresses, which of the following protocol is commonly used

• A. NAT

• B. DHCP

• C. Both of the above

• D. None of the above

The internet protocol allows IP fragmentation so that datagrams can be fragmented into pieces small enough to pass over a link with a smaller MTU than the original datagram size

• A. True

• B. False

Which of the following statement is correct for IPv6

• A. Addresses are not hierarchical and are randomly assigned

• B. There are 2.7 billion available addresses

• C. Broadcast in IPv4 have been replaced with multicast in IPv6

• D. Does not support multiple multiple IPv6 address per interface

Bootstrap Protocol (BOOTP) allows a diskless workstation to be remotely booted up in a network with TCP port designation for both client and server

• A. True

• B. False

In NAT operations, which of the following statements are correct

• A. NAT maps each private IP address and port number into shared global IP address and available port number

• B. Hosts inside private networks generate packets with private IP address and TCP/UDP port numbers

• C. Translation table allows packets to be routed unambiguously

• D. Translation table allows packets to be routed ambiguously

Packet is to be forwarded to a network with MTU of 592 bytes. The packet has an IP header of 20 bytes and a data part of 1484 bytes. Which of following maximum data length per fragment is legitimate?

• A. 592

• B. 572

• C. 568

• D. 562

What information is used as the entry of the lookup table in a Network Address Translation box?

• A. UDP port number

• B. IP address

• C. All of the above

• D. TCP port number

IPv6 allows fragmentation at

• A. Source only

• B. Intermediate routers only

• C. Both source and intermediate routers

• D. None of the above

Which of following fields that IPv6 dropped from IPv4?

• A. Header length

• B. Header checksum

• C. All of the above

• D. ID/flags/frag offset