题目内容
（请给出正确答案）
[单选题]
只要企业存在固定成本，在正常经营情况下经营杠杆系数必()。
A.与销售量成正比
B.大于1
C.与固定成本成反比
D.小于1
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A．netstat
B．traceroute
C．nbtstat
D．ping
更多“只要企业存在固定成本，在正常经营情况下经营杠杆系数必（)。A…”相关的问题
第1题
An administrator wants to test the network MTU. Which of the following commands allows differentsize packets to be sent？（）
第2题
Which of the following tools would an administrator BEST use to trace a network cable？（）
A.Toner
B.Cable tester
C.Butt set
D.Multimeter
第3题
For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists（）。
A．IP
B．ICMP
C．TCP
D．UDP
第4题
A network administrator has configured source NAT, translating to an address that is on a
locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back.What is causing the problem？（）
点击查看答案
A. The host needs to open the telnet port.
B. The host needs a route for the translated address.
C. The administrator must use a proxy-arp policy for the translated address.
D. The administrator must use a security policy, which will allow communication between the zones.
第5题
A network administrator is designing a Cisco network for a large company. The network must
be able to use minimal bandwidth for routing updates, converge quickly, and support VLSM, CIDR, IP and IPX. Which routing protocol will best fit the requirements of this network？（）
点击查看答案
A. RIP v1
B. RIP v2
C. IGRP
D. OSPF
E. EIGRP
第6题
What are two reasons that a network administrator would use access lists （Choose two.)（）。
A.to control vty access into a router
B.to control broadcast traffic through a router
C.to filter traffic as it passes through a router
D.to filter traffic that originates from the router
E.to replace passwords as a line of defense against security incursions
第7题
A network administrator wants to verify the active alarms on interface so-0/0/0.0. Which command displays this information？（）
A. show interfaces alarms
B. show interfaces terse
C. show alarms extensive
D. show interfaces extensive
第8题
A network administrator wants to verify the active alarms on interface so-0/0/0. Which command displays this information？（）
A. show interfaces alarms
B. show interfaces terse
C. show alarms extensive
D. show interfaces extensive
第9题
（英文题）ABC Inc. . There are about 50 hosts in the same LAN. The administrator wants to increase the throughput of the LAN. Which device increases the number of collision domains and thus the throughput
A、Network Interface Card
B、Host
C、Hub
D、Switch
第10题
The administrator wants to verify the current state of the OSPF database loading process. Which show command should the administrator use？（）
A. show ip ospf [process - id] interface
B. show ip ospf neighbor
C. show ip ospf [process - id]
D. show ip ospf [process - id area - id] database
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