User's Manual

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A. To map IP addresses to Ethernet addresses
B. To map common names to network addresses
C. To forward SNMP alerts to management consoles
D. To generate an echo reply in response to a ping test
E. To send a host or post unreachable message from a router to the source of an undeliverable packet
Answer: D, E
Explanation: ICMP has a great many functions that it can perform. Two of these functions are: destination
unreachable messages and echo reply messages.
Incorrect Answers:
A is incorrect; this is done by ARP & RARP protocols.
B is incorrect; this is done by Domain Name Services (DNS).
C is incorrect; a SNMP agent does this.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 217-218.
Q. 153
Novell IPX network addresses have two configurable parts. The network administrator specifies the IPX
network number.
How is the node number determined?
A. It is the serial number of the given device.
B. It is assigned as a lease by Novell DHCP.
C. It is also set by the network administrator.
D. It is usually the MAC address of one interface.
E. It is downloaded by NetWare Core Protocol (NCP).
Answer: D
Explanation: It is determined by the MAC address, so all other options are wrong.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 335-336.
Q. 154
Which IP address range is allowable given an IP address of 172.37.2.56 and 28-bits of subnetting?
A. 172.37.2.48 to 172.37.2.63
B. 172.37.2.48 to 172.37.2.6.2
C. 172.37.2.49 to 172.37.2.62
D. 172.37.2.49 to 172.37.2.63