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Oracle Solaris 10 Network Administrator Certified Expert Exam
Question No: 101 – (Topic 2)
Given the following /etc/named.conf DNS server configuration file:
zone quot;one.eduquot; in { type master;
file quot;forward.zonequot;;
allow-update { 127.0.0.1; 192.168.1.2; };
};
zone quot;1.168.192.in-addr.arpaquot; in { type master;
file quot;reverse.rzonequot;;
allow-update { 127.0.0.1; 192.168.1.2; };
};
In which way does the allow-update option change the behavior of the primary DNS server?
-
The DNS server dynamically updates forward DNS servers.
-
The DNS server can be dynamically updated with host information from a DHCP server.
-
The DNS server dynamically updates secondary DNS servers.
-
The DNS server dynamically updates reverse DNS servers.
-
The DNS server can be dynamically updated by root DNS servers.
Answer: B
Question No: 102 – (Topic 2)
Your company is setting up a new branch office that is connected to the Internet through the main office. You are asked to set up a DNS server in the new branch office. What type of DNS server should you configure?
-
a forwarding server
-
a Top-Level Domain server
-
an authoritative server
-
a root server
-
a replica server
Answer: A
Question No: 103 – (Topic 2)
Given:
server IP address = 192.168.123.254 client IP address = 192.168.123.21
A user reports an inability to connect to a remote server through ssh.
Which command can the system administrator use on the server to see if the connection request is getting to the server?
A. inetadm -v 192.168.123.21
-
snoop 192.168.123.254 and dst ssh
-
snoop src 192.168.123.21 and port 22
-
netstat -rn
Answer: C
Question No: 104 – (Topic 2)
After a new installation of the Solaris 10 OS, the following message is repeatedly showing up in the /var/adm/messages file:
Feb 02 10:04:52 postman sendmail[898]: [ID 702911 mail.alert] unable to qualify my own domain name (postman) – using short name
What needs to be done to resolve this problem?
-
add a DNS server to /etc/nsswitch.conf
-
add a fully qualified hostname to /etc/inet/hosts
-
run the domainname command
-
restart the nscd daemon
Answer: B
Question No: 105 – (Topic 2)
On a DHCP client, the interface is down and configured with the IP address 0.0.0.0. After typing ifconfig hme0 dhcp start, you observe snoop output that does not include a DHCPDISCOVER packet:
OLD-BROADCAST -gt; BROADCAST DHCP/BOOTP DHCPREQUEST 192.168.10.1 -gt; 192.168.10.10 DHCP/BOOTP DHCPACK
Which command was used to shut down the interface in such a way that a DHCPDISCOVER was NOT required?
-
dhcpconfig -r hme0
-
dhcpagent -r hme0
-
ifconfig hme0 dhcp release
-
ifconfig hme0 dhcp drop
Answer: D
Question No: 106 – (Topic 2)
For which three types of IP traffic are Internet Control Message Protocol (ICMP) packets used?
(Choose three.)
-
ping between hosts on the same network
-
encapsulating fragmented TCP packets
-
RDISC router discovery
-
ping between hosts on different networks
-
MAC address updates
-
RIPv2 routing updates
Answer: A,C,D
Question No: 107 – (Topic 2)
A DNS server fails when attempting to resolve whizwheel.magicthings.org to an IP address. You want to make the nslookup command reference the DNS server 129.147.22.222 without modifying the /etc/resolv.conf file. Which command accomplishes this?
A. nslookup 129.147.22.222 B. dig @129.147.22.222 force C. nslookup – 129.147.22.222 D. nslookup / 129.147.22.222
E. smreg replace -m -s dns 129.147.22.222
Answer: C
Question No: 108 – (Topic 2)
Which two statements about Solaris IP Filter are correct? (Choose two.)
-
Solaris IP Filter can be configured as an application-level firewall.
-
Solaris IP Filter can be configured as a routing firewall.
-
Solaris IP Filter can be configured as a host-based firewall.
-
You must configure SunScreen software before running Solaris IP Filter.
-
Solaris IP Filter blocks all packets by default.
Answer: B,C
Question No: 109 – (Topic 2)
Your company is setting up a new branch office that is connected to the Internet through the main office. You are asked to set up a DNS server in the new branch office. What type of DNS server should you configure?
-
a replica server
-
an authoritative server
-
a root server
-
a forwarding server
-
a Top-Level Domain server
Answer: D
Question No: 110 – (Topic 2)
Which networking technique is defined as quot;the inclusion of a data structure within another structure so that the first data structure is temporarily hiddenquot;?
-
masking
-
encryption
-
tunnelling
-
encapsulation
-
embedding
Answer: D
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