TCP/IPNetwork Administration-Solaris™ Operating Environment

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31. Solaris includes a GUI program called ______ which is a graphical interface to the older dhcpconfig program.

a. dhtadm
b. pntadm
c. dhcpagent
d. dhcpmgr

Answer: d

32. Which of the following commands will setup a DHCP client on interface hme0?

a. netstat hme0 -dhcp
b. ifconfig hme0 DHCP
c. touch /etc/dhcp.hme0
d. dhcpmgr hme0 -dhcp

Answer: b,c

33. Which of the following commands will start DHCP in troubleshooting mode?

a. /sbin/dhcpagent -d3
b. /sbin/dhcpagent -debug
c. /usr/sadm/admin/bin/dhcpmgr -d3
d. /usr/sadm/admin/bin/dhcpmgr -debug

Answer: a

34. Which of the following is NOT a standard SNMP call?

a. get
b. set
c. trap
d. put

Answer: d

35. The following defines which type of SNMP call? Management consoles will poll all of their SNMP-managed devices in the field to obtain status information. The ______ update a graphic or table.

a. puts
b. sets
c. gets
d. traps

Answer: c

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36. The following defines which type of SNMP call? When a managed device has a failure or needs to communicate with the management station, it sends a ______.

a. put
b. set
c. get
d. trap

Answer: d

37. SNMP obects are stored in a(n) ______.

a. SMI
b. OBJ
c. MIB
d. ASN

Answer: c

38. In Solaris, the first source checked for name resolution is _______.

a. /etc/hosts
b. /etc/nsswitch.conf
c. DNS server
d. NIS server

Answer: b
The file nsswitch.conf tells the system the order and type of name resolution to be used.

39. A(n) ______ DNS request is one that must be satisfied by a nameserver. When a resolver sends this type of request, the queried nameserver is obliged to return a valid answer. It can抰 just turn the query to another name server.

a. iterative
b. definite
c. recursive
d. implied

Answer: c
Queries come in two flavors, recursive and iterative, also called nonrecursive. Recursive queries place most of the burden of resolution on a single name server. Recursion, or recursive resolution, is just a name for the resolution process used by a name server when it receives recursive queries.  In recursion a resolver sends a recursive query to a name server for information about a particular domain name. The queried name server is then obliged to respond with the requested data or with an error stating that data of the requested type don't exist or that the domain name specified doesn't exist. The name server can't just refer the querier to a different name server, because the query was recursive

40. A(n) ______ DNS request attempts to locate a server that has the best information. When a resolver sends this type of request, the queried nameserver returns its best answer, which may be from its non-authoritative cache or the name of a server it believes may have more information.

a. iterative
b. definite
c. recursive
d. implied

Answer: a
Iteration, or iterative resolution, refers to the resolution process used by a name server when it receives iterative queries.  In iterative resolution, a name server simply gives the best answer it already knows back to the querier. No additional querying is required. The queried name server consults its local data (including its cache, which we're about to talk about), looking for the data requested. If it doesn't find the data there, it makes its best attempt to give the querier data that will help it continue the resolution process. Usually these are the domain names and addresses of the closest known name servers.

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41. Entries in the name server database are called ______.

a. time to live
b. resource records
c. classes
d. record types

Answer: b

42. Given the below /var/named/domain-info example:


What would be the FQDN for a host called "rhino" on the domain?

a. rhino.horse.zoo.edu.
b. rhino.zoo.edu.
c. rhino.zoo.edu
d. This cannot be determined

Answer: b
Most host names in the /var/named/domain-info file are not fully qualified.  Those that are not, have the
domain name origin (the value of the  @ in the SOA record by default) appended to them.  Also, remember that
a FQDN ends in a period.

43. In DNS configuration, ______ represents aliases for a host name.

a. TTL
b. SOA
c. NS
d. CNAME

Answer: d

44. In DNS configuration, ______ records IP to hostname information.

a. A
b. PTR
c. MX
d. NS

Answer: b

45. In DNS configuration, ______ records hostname to IP address information.

a. A
b. PTR
c. MX
d. NS

Answer: a

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46. The main configuration file for DNS is ______.

a. /etc/nsswitch.dns
b. /etc/resolv.conf
c. /etc/named.conf
d. /etc/dns.zone

Answer: c

47. The file that specifies the manner and servers to resolve DNS queries is ______.

a. /etc/nsswitch.dns
b. /etc/resolv.conf
c. /etc/named.conf
d. /etc/dns.zone

Answer: b

48. The following is an example of the contents of what file?
search subdomain.mydomain.com mydomain.com
nameserver 10.10.15.31
nameserver 10.1.15.10  

a. /etc/system
b. /etc/resolv.conf
c. /etc/named.conf
d. /etc/dns.zone

Answer: b

49. Solaris supports a maximum of ______ name server entries in resolv.conf.

a. 1
b. 2
c. 3
d. 4

Answer: c

50. The main configuration file for NTP is ______.

a. /etc/ntp.conf
b. /etc/inet/ntp.conf
c. /etc/ntpconf.inf
d. /etc/inet/ntpsys.conf

Answer: b

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51. In an NTP environment, a drift file, ______, should exist.

a. /var/adm/ntp.drift
b. /var/ntp/drift
c. /etc/inet/ntp.drift
d. /tmp/ntp.drift

Answer: c

52. What 2 commands will yeild the following output below?


a. arp -a
b. ifconfig -a
c. netstat -pn
d. ifconfig -pn

Answer: a,c

53. The ______ command may be used to view the content of network traffic for troubleshooting purposes.

a. ifconfig
b. ping
c. arp
d. ndd
e. snoop

Answer: e

54. Which of the following best defines window advertisement (or the sliding window principle)?

a. The sliding window size is adjusted according to the number of lost packets.
b. Before transmission can start, both the sending and receiving applications must have open windows.
c. A slow-start process increases the congestion window size by one segment each time an ACK is received.
d. The receiving host informs the sending host of how much data it is prepared to receive.

Answer: d

55. Which connector type is used to connect Thinnet to a NIC?

a. AUI
b. BNC T
c. RJ-45
d. BNC Barrel

Answer: b

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56. You need to connect 2 network segements that are 1,000 meters apart.  Which of the following cable
types can transmit data over 1,000 meters without using a repeater?

a. Fiber Optic
b. RG-58 A/U
c. Cat5 UTP
d. Cat3 UTP

Answer: a

57. To send a message from a Unix user to a VMS user, you use a ________.

a. Mail host
b. Mail server
c. Gateway
d. Relay host

Answer: c

58. True or False: The Solaris 8 environment considers any machine with mutiple network interfaces to be a router.

a. True
b. False

Answer: a
This is true.  You can also change a router into a multihomed host.

59. You run a 10Base5 network that has 3 segments, each separated by a repeater.  The trunk ends are
terminated by 50-ohm terminators, and there are 6 in all.  How many terminators should be grounded?

a. none
b. two
c. three
d. six

Answer: c

60. Which of the following cable types can span distances greater than 100 meters, but not more than 185 meters?

a. 10BaseT
b. 10Base2
c. 10Base5
d. Fiber Optic

Answer: b

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Part 4
This test focuses on *DHCP, DNS, *SNMP, NTP, and *IPv6
Degree of Difficulty: Very Hard

1. The allocation of an IP address by a DHCP server is based on:

a. Hostname
b. Hardware address of the ethernet card
c. Physical connection to a particular subnet
d. host ID

Answer: b,c
Answers "a" and "d" are incorrect, but can be used to form a client identification string which would be a correct answer.

2. True or False: IPv6 systems configure their IP addresses automatically.

a. True
b. False

Answer: a

3. Which file must exist on a client that wishes to use DHCP on an ethernet interface?

a. /etc/dhcp.ge0
b. /etc/dhcp.hme0
c. /etc/hme0.dhcp
d. /etc/ge0.dhcp

Answer: b

4. DHCP options are stored in the DHCP information repository that is located in the ______ file.

a. /etc/dhcp/inittab
b. /etc/dhcp/dhcptab
c. /var/dhcp/dhcptab
d. /var/dhcp/dhcp_network

Answer: a

5. The DHCP client uses ______ to supply addition parameters to system/application level software.

a. dhcpagent
b. dhcpinfo
c. dhcpack
d. dhcpconfig

Answer: b

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6. True or False: Multiple primary DHCP servers cannot exist on the same network.

a. true
b. false

Answer: b
Multiple primary servers can exist on the same network as long as each is responsible for a different IP range.

7. Which file below would be used to map a DHCP client ID to an IP address and the associated configuration parameters of that address?

a. /etc/dhcp/inittab
b. /var/dhcp/dhcptab
c. /var/dhcp/128_16_30_0
d. /etc/dhcp/config

Answer: c
This is an example of the dhcp_network database for a system with a network IP of 128.16.30.0
The file name is based on information from the /etc/netmasks file of the system.

8. What is true about the below /var/dhcp/dhcp_network file?

a. The address is not in use
b. The address lease is permanent
c. The address is in use
d. The address lease is dynamic

Answer: a,d

9. What file would you expect to find the below entry?

a. /var/dhcp/dhcp_network
b. /etc/dhcp/inittab
c. /var/dhcp/dhcptab
d. /etc/dhcp/dhcp.conf

Answer: c

10. What is true about the below /var/dhcp/dhcp_network file?

a. The address is in use
b. The address lease is permanent
c. The address is not in use
d. The address lease is dynamic

Answer: a,b

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11. A ______ enables network administrators to define vendor- and site-specific options in the dhcptab file.

a. symbol
b. macro
c. code
d. ID

Answer: a

12. Which option would be used to imbed a macro into another macro within the dhcptab file?

a. Imbed
b. Add
c. Include
d. This cannot be done

Answer: c

13. Which utilities can be used to configure the DHCP server service?

a. dhcpmgr
b. vi
c. pntadm
d. dhcpconfig
e. dhtadm

Answer: a,d
dhcpconfig is a korn shell front end to the DHCP table administration utilities pntadm and dhtadm.  It supports
and configures DHCP server services.  
The dhcpmgr is a GUI that functions as the dhcpconfig, dhtadm, and pntadm command line utilities.

14. Which software packages must be installed on a machine to configure it as a DHCP server?

a. SUNWdhcsu
b. SUNWdhcp
c. SUNWdhcpserv
d. SUNWdhcsr

Answer: a,d

15. Network management stations often poll managed devices and perform an SNMP _____ in order to update
a graphic display.

a. set
b. get
c. query
d. trap

Answer: b

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16. Which file would you search to find what port numbers are being used by DHCP services?

a. /etc/dhcp/dhcptab
b. /etc/dhcp/inittab
c. /etc/rpc
d. /etc/services

Answer: d

17. A(n) ______ is often used by network devices to report on network link failures or device reboots.

a. trap
b. email
c. poll
d. set

Answer: a

18. What file is this an example of?

a. /etc/named.boot
b. /etc/resolv.conf
c. /var/named/named.root
d. /etc/nsswitch.conf
e. /etc/named.conf

Answer: c

19. Which of the following are examples of SNMP-based management applications?

a. Sun Management Center
b. HP OpenView
c. Solstice Site Manager
d. Solstice DiskSuite
e. Microsoft Outlook

Answer: a,b,c

20. True or False: A stratum-1 time server is less accurate than a stratum-10 time server.

a. True
b. False

Answer: b