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Exam : SUN 310-044
Title : Sun Certified Network Administrator for Solaris 9


1. Which three statements about fragmentation are true? (Choose three.)
A. The fragment size is determined by the MTU size of the network interface layer.
B. The fragment size always remains constant for a packet across all networks through which the packet passes.
C. Fragmentation is a mechanism for dividing a class of IP addresses to allow more efficient use of the address space.
D. Fragmentation occurs, when necessary, at each router a packet passes through based on the MTU for the interface.
E. Fragmentation is a mechanism for dividing data where the volume of data is more than can be transmitted in a single packet.
F. Fragmentation only applies when the upper layer protocol is TCP because TCP delivers a continuous stream of data that must be fragmented.
Answer: ADE

2. Which two are benefits of IPv6? (Choose two.)
A. faster ARP/RARP
B. smaller addresses
C. more efficient routing
D. smaller routing tables
E. eliminates broadcast traffic
Answer: CE

3. A workstation does not have access to the 200.20.50.0 network. A system administrator needs to enable access to a host at IP address 200.20.50.100. Other hosts on the same network must remain inaccessible. Which command accomplishes this?
A. route add myrouter 200.20.50.100 0
B. netstat -a 200.20.50.100 200.20.50.0
C. route add net 200.20.50.100 myrouter 1
D. route add host 200.20.50.100 myrouter 1
E. ifconfig -a qfe2 200.20.50.100 broadcast 200.20.50.255
Answer: D

4. A system administrator is attempting to add a default router using the command:
route add default 192.20.20.1 0
You get the error message "Network is unreachable." The IP address of the host you are using is 192.20.20.10, and the router 192.20.20.1 is reachable using a "direct" route. The router 192.20.20.1 is on the network in question and is a viable default router.
What causes the error message "Network is unreachable"?
A. The metric of 0 should be 1.
B. You already have several default routers.
C. Your default router should be reachable indirectly.
D. You should act as the default router to your own network.
E. Default routers can only be added through a file at boot-up .
Answer: A

5. When must a local host try to route through an intermediary host to reach a remote host?
A. when the remote host is NOT in the ARP cache
B. when the local host IP address was obtained using RARP
C. when the routing table on the local host has been updated by RIP
D. when the network address of the remote host differs from the network address of the local host
Answer: D

6. Which three statements about Classless Interdomain Routing (CIDR) are true? (Choose three.)
A. CIDR is also referred to as "supernetting."
B. CIDR uses netmasks to create network prefixes.
C. CIDR can only be applied to Class C network addresses.
D. CIDR applies to address spaces inside an organization only.
E. CIDR involves combining two or more contiguous address ranges.
Answer: ABE

7. You have created an IPv6 tunnel between two hosts. Which two statements are true about tunnelling? (Choose two.)
A. Tunnelled traffic is always encrypted.
B. Tunnelled traffic is always TCP or UDP in IPv6.
C. IPv6 Solaris tunnelling always involves an IP datagram encapsulating an IP datagram.
D. The IP header of the datagram that has encapsulated the tunnelled data contains the source address of the tunnel.
E. The tunnel source IP address is always the same as the source IP address in the IP header of the tunnelled (encapsulated) IP datagram.
Answer: CD

8. Given:
route add host lion tiger 1
Which two statements are true? (Choose two.)
A. The command adds a static route to the routing table.
B. The command indicates that tiger is an intermediate host on this route.
C. The command causes hosts tiger and lion to update their routing tables.
D. All hosts on the lion network could be reached as a result of the command.
E. The command indicates that lion is the only intermediate host on this route.
Answer: AB

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