090-055考试资料共享

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090-055 Exam
UNIXWARE 7 NETWORK ADMINISTRATION V10A1
科目编号 : 090-055
科目名称 : UNIXWARE 7 NETWORK ADMINISTRATION V10A1
相关分类：SCO Caldera
090-055 考试是 SCO Caldera公司的 UNIXWARE 7 NETWORK ADMINISTRATION V10A1 认证考试官方代号，UNIXWARE 7 NETWORK ADMINISTRATION V10A1 认证作为全球IT领域专家 SCO Caldera 热门认证之一，是许多大中IT企业选择人才标准的必备条件。
SCO是美国一家以开发UNIX和Linux等操作系统为主的软件公司。早在80年代中期进入中国的多用户操作系统XENIX就是SCO公司的产品。UNIX操作系统以其稳定、可靠、故障率低、抗病毒能力强等绝对优势一直是关键业务领域首选的操作系统，在我国更是有着数以百万计的庞大用户群。SCO(思高)软件（中国）有限公司是SCO公司在中国的合资公司，负责着在中国大陆的SCO全线产品销售、技术支持、技术培训以及部分产品的研发！
    目前，SCO UNIX系列产品已占全球UNIX市场34％以上份额。以UNIX为核心，SCO又相继开发了UNIX与Windows集成产品、Internet产品、电话与UNIX系统集成技术、SCO新一代的64位UNIX操作系统、SCO网络操作系统等等。
    在中国，大多数的银行及邮电系统选用SCO UNIX作为他们庞大网络的基本操作系统。SCO产品的高技术含量使研发及教育服务成为公司业务的最重要部分。SCO遍布全球的教育网络为用户深入学习UNIX技术，高效利用他们的SCO系统提供最大方便。SCO在中国首期建立的6家联合教育中心将为广大用户及UNIX爱好者提供高品质的教育服务，成为培养未来信息主管的摇篮。
你是否要参加这门考试呢？还在犹豫什么呢？不要担心，在我看来，参加了就能考得 ，如果连报名都不敢报，我想你永远也不可能通过这门考试。
下面对那些想要参加考试的朋友给个建议，这个建议是大多数通过考试人的经验：考试前一定要看相关认证考试题库。因为题库能为我们提供很多真正考试中的类似题目，甚至是原题。
下面是由Testinside考题大师提供的考试资料（仅供参考）：
1. You have determined that your network will NOT need any subnets.What should you use for a netmask when you configure UnixWare 7 TCP/IP?
A. A netmask with every bit set to 0
B. A netmask with every bit set to 1
C. A netmask with every bit in the host portion set to 1
D. The default netmask suggested by the Network Configuration manager
Answer: D
2 Which statement regarding the ARP protocol is ture?
A. The ARP protocol uses the/ect/hosts file to resolve addresses.
B. The ARP protocol provides the IP address of the host that owns a given hardware address.
C. The ARP protocol uses a cache to keep track of address it has already discovered.
D. The ARP protocol uses the/ect/ethers file to resolve addresses.
Answer: C
3. Which netmasl is used when a Class C network is subnetted so that it uses a 2-bit subnet address and a 6-bit host address?
Note the following binary to decimal equvialents:
11111111=255
00111111=63
11000000=192
A. 0.0.0.255
B. 0.0.0.63
C. 255.255.255.63
D. 255.255.255.192
Answer: D
4. What does the Internet Protocol level of the TCP/IP protocol stack use to verify that incoming data is for this host?
A. The Ethernet address
B. The IP address
C. Cyclic Redundancy Check(CRC) error checking
D. The port number
Answer: B
5. Which statement regarding subnets is FALSE?
A. A Class B network is rarely subnetted because it can support over 65,000 hosts.
B. A Class B network with subnet has fewer IP addresses available for host than a Class B network without subnets.
C. For optimal network performance,a server should be localed on the same subnet as most of its clients
D. A message sent from a lost on another subnet must pass through a router.
Answer: A
6. To which class does the IP address 185.73.250.99 belong?
A. Class A
B. Class B
C. Class C
D. This is not a valid IP address.
Answer: B
感谢Testinside考题大师的支持！
 
 

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