各位大哥,帮我作一套考试题,来者有分!

spidertan 2002-11-19 01:10:48

29. Which network device forwards packets to a remote network by selecting an appropriate travel path?
A. a hub
B. a router
C. a bridge
D. a repeater
E. a gateway
30. Which entry is specified in the /etc/vfstab file for the temporary file system?
A. /tmp - swap tmpfs – yes -
B. swap - /tmp tmpfs – yes
C. swap - - /dev/dsk/c0t2d0s2 - no
D. /dev/dsk/c0t2d0s2 - - swap - no -
31. Which statement about the MTU of a network is most correct?
A. It is the abbreviation for Main Transmission Unit.
B. It refers to the terminating unit (15 ohms) of thin Ethernet.
C. It refers to the terminating unit (30 ohms) of thick Ethernet .
D. It is the largest amount of data that can be transferred across the network.
E. It is the smallest amount of data that can be transferred across the network.
32. Which statements are TRUE about the in.rdisc process?
A. It implements the Router Information Protocol (RIP).
B. It implements the Routing Discovery Protocol (RDISC).
C. It is started at boot time by the /etc/rc2.d/S69inet script.
D. It provides a default path to the host on the multicast address 224.0.0.1.
33. Which interface supports point-to-multipoint links?
A. ipd
B. ipm
C. ipdm
D. ipmd
E. ipdptp
34. Which command is used to test modified rewrite rules in the /etc/mail.sendmail.cf file?
A. /usr/lib/testmail -bd
B. /usr/lib/sendmail -bt
C. /usr/lib/sendmail -bd
D. ./usr/lib/sendmail -q1h
35. Which statement most accurately describes an Ethernet Jam Signal?
A. It is a pseudo file system that provides virtual swap space.
B. It is a process that moves pages in memory to and from a disk.
C. It is a broadcasted signal to the network after a collision occurs.
D. It is a pseudo file system that maps a directory to virtual memory.
36. Which command displays the total number of RPC calls for a client or server host?
A. iostat
B. snoop
C. nfsstat
D. vmstat
37. When sending data to another node on the network, what is added at every network layer during encapsulation?
A. Error
B. Good
C. Index
D. Trailer
E. Header
38. Which statement describes ICMP correctly?
A. It is slow.
B. It is reliable.
C. It is connection-oriented.
D. It is used for network management tasks.
E. It is considered to be at the application layer of the TCP/IP model.
39. When a Domain Name Service (DNS) client requests name-to-address resolution, which file will identify DNS servers?
A. /etc/dns.conf
B. /etc/resolv.conf
C. /etc/nameserver
D. /etc/named.boot
40. Which statement describes a mail message header?
A. It contains the message recipient addresses.
B. It is composed of a series of message text data lines.
C. It contains lines such as To:, From:, Subject:, and Cc:.
D. It contains information such as macro definition and rewriting rules to control the sendmail daemon.
41. Which statement most accurately describes a broadcast address?
A. It is a unique address assigned on a network and is 32 bits long.
B. It is a host's unique hardware address and is 48 bits long. The address is displayed as 12 hexadecimal digits.
C. It represents broadcasts to the network. The default broadcast address is the address with a host number of all ones in the Solaris™ 2.x environment.
D. It represents broadcasts to the network. The default broadcast address is the address with a host number of all zeros in the Solaris™ 2.x environment.

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