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Oracle Solaris 10 Network Administrator Certified Expert Exam

Question No: 51 – (Topic 1)

Click the Exhibit button.

A portion of your network has three networks: NET1, NET2, and NET3. All clients on NET2 have the default route set to 192.168.1.1.

All clients on NET3 have the default route set to 192.168.3.1.

Clients on the NET2 network are NOT able to reach any of the clients on NET3. You are given the following output of the netstat -rn command from Sys11:

# netstat -rn Routing Table: IPv4

Destination Gateway Flags Ref Use Interface

———- ——— —– —- —- ——- 192.168.3.0 192.168.3.1 UG 1 0

192.168.1.0 192.168.1.1 U 1 191 hme0

192.168.2.0 192.168.30.2 UG 1 0

192.168.30.0 192.168.30.31 U 1 176 qfe0

224.0.0.0 192.168.1.1 U 1 0 hme0

127.0.0.1 127.0.0.1 UH 1 3 lo0

Which entry is incorrect?

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A. 192.168.3.0 192.168.3.1 UG 1 0

B. 127.0.0.1 127.0.0.1 UH 1 3 lo0

C. 192.168.30.0 192.168.30.31 U 1 176 qfe0

D. 192.168.1.0 192.168.1.1 U 1 191 hme0

E. 192.168.2.0 192.168.30.2 UG 1 0

F. 224.0.0.0 192.168.1.1 U 1 0 hme0

Answer: A

Question No: 52 – (Topic 1)

A Solaris system has an existing hme0 interface configured with an IPv4 address.

hme0: flags=1004843lt;UP,BROADCAST,RUNNING,IPv4gt; mtu 1500 index 2

inet 129.147.12.179 netmask ffffff00 broadcast 129.147.12.255 ether 8:0:20:f5:d7:d7

An administrator wants to test an implementation of IPv6 on this system.

Which two commands can the administrator use to add an IPv6 address to hme0? (Choose

two.)

  1. ifconfig hme0 inet6 plumb up

  2. routeadm -e -i hme0 inet6

  3. ifconfig hme0 ipv6 plumb up

  4. touch /etc/hostname6.hme0; init 6

  5. ifconfig -d hme0 addif inet6 -auto

Answer: A,D

Question No: 53 – (Topic 1)

You are asked to recommend a network topology for a new server network. This network will service all of your Sun servers (approximately 50 machines) and several employee workstations (approximately 20 machines). Which network topology is suited for this environment?

  1. a bus topology segmented into multiple network

  2. a star topology with one segment for servers and another for workstations

  3. a VLAN topology with one VLAN for servers and another for workstations

  4. a ring topology using intelligent hubs

Answer: C

Question No: 54 – (Topic 1)

For security reasons, only predefined MAC addresses are allowed access to the Internet from the internal network. You had to replace your manager#39;s usual workstation on short notice, and the security team cannot change any settings for 24 hours. Which command can you execute to allow your manager to continue working?

A. cat quot;8:0:20:b9:73:23quot; gt;/etc/ethers

  1. ifconfig hme0 plumb 8:0:20:b9:73:23

  2. ifconfig hme0 ether 8:0:20:b9:73:23

  3. ifconfig -a ether 8:0:20:b9:73:23

Answer: C

Question No: 55 – (Topic 1)

The /var/adm/messages file on an NTP client shows many time reset (step) messages at regular intervals with the sign of the step alternating positive and negative with an amount that is nearly the same.

For example:

Jan 26 11:10:56 crater xntpd[6079]: time reset (step) 0.312899 s Jan 26 11:17:18 crater xntpd[6079]: time reset (step) -0.318915 s Jan 26 11:22:40 crater xntpd[6079]: time reset (step) 0.312903 s Jan 26 11:29:02 crater xntpd[6079]: time reset (step) -0.318887 s Jan 26 11:34:24 crater xntpd[6079]: time reset (step) 0.313149 s Jan 26 11:40:46 crater xntpd[6079]: time reset (step) -0.319057 s Jan 26 11:46:09 crater xntpd[6079]: time reset (step) 0.312988 s

Which three commands are useful in determining the cause of the messages? (Choose three.)

  1. ntptrace

  2. xntpdc

  3. ntpq

  4. ntpdate

  5. ntpstat

Answer: A,B,C

Question No: 56 – (Topic 1)

Much information can be found in log records of the Solaris IP Filter firewall. When using state, the output of the ipmon -o I command is:

15:34:33.803147 ppp0 @0:2 b 100.100.100.103,443 -gt; 20.20.20.10,4923 PR tcp len 20

1488 -A

Which statement accurately describes the third field, @0:2?

  1. Two packets are logged on the interface ppp0.

  2. There are two ppp interfaces.

  3. The size of the packet is two kilobytes.

  4. Rule 2 in group 0 caused this event to happen.

Answer: D

Question No: 57 DRAG DROP – (Topic 1)

Click the Task button.

The UDP Transport layer protocol receives data from the application and encapsulates the data in UDP datagrams. UDP datagrams have a leading header section.

Place the items on the appropriate UDP header section. Note: Only four items are used.

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Answer:

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Question No: 58 – (Topic 1)

An unauthorized administrator has recently made some changes to and rebooted your server. As a result, the server is using ARP to attempt to reach hosts on a different subnetwork. Which file has been erroneously modified?

  1. /etc/inet/hosts

  2. /etc/inet/services

  3. /etc/inetd.conf

  4. /etc/init.d/inetinit

  5. /etc/netgroup

  6. /etc/inet/netmasks

Answer: F

Question No: 59 DRAG DROP – (Topic 1)

Click the Task button.

A DHCP client has previously been assigned the IP address 192.168.1.154. After the client is rebooted, a number of DHCP packets to and from the client are seen in snoop running on the DHCP server.

Place the packets in the sequence they would be displayed using the snoop command.

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Answer:

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Question No: 60 – (Topic 1)

You need to display the Ethernet address of a system connected to a server you administer. Which command displays all entries in the current ARP table?

  1. netstat -av

  2. ndd -get /dev/arp ethers

  3. arp -list

  4. arp -a

Answer: D

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