思科认证考试
As a network administrator, you have been instructed to prevent all traffic originating on the LAN from entering the R2 router. Which the following command would implement the access list on the interface of the R2 router?（）A、access-list 101 inB、access-li
题目
As a network administrator, you have been instructed to prevent all traffic originating on the LAN from entering the R2 router. Which the following command would implement the access list on the interface of the R2 router?（）
- A、access-list 101 in
- B、access-list 101 out
- C、ip access-group 101 in
- D、ip access-group 101 out
相似问题和答案
第1题：
You are the network administrator setting up the IP network for a new branch office. You need at least 5 networks with 25 hosts each. You have been allocated a /24 network.Which prefix length will satisfy the given requirements?（）
A./24
B./26
C./27
D./28
第2题：
You are the network administrator at TestKing. TestKing has been assigned the class C IP address 189.66.1.0 by its Internet Service Provider. If you divide the network range by using the 255.255.255.224 subnet mask, how many hosts can be supported on each network?（）
A.14
B.16
C.30
D.32
E.62
F.64
第3题：
You are an administrator of the Ezonexam switched network and your goal is to reduce some of the administrative overhead on your network. You plan on achieving this by configuring a new VLAN for each department in the Ezonexam network.
However, you need to share the VLAN information across numerous switches. Which of the following would allow you accomplish this?
A. STP
B. GVRP
C. SNMP
D. VTP
E. DHCP
F. None of the above
D 解析：Explanation:
The VTP (VLAN Trunking Protocol) is a Cisco Layer 2 messaging protocol that manages the addition, deletion, and renaming of VLANs on a network-wide basis. It allows for VLAN information to span multiple switches within the switch domain.
Incorrect Answers:
A. STP is a switching protocol but it is used for preventing network loops.
B. GVARP is an actual protocol used in switch administration, but it beyond the scope of what a CCNA is expected to know.
C. SNMP is a protocol used for managing and monitoring networks
E. DHCP is the Dynamic Host Configuration Protocol, which allows for PC's to obtain their IP address dynamically upon booting up, along with their DNS and default gateway information.
第4题：
You are designing a strategy to upgrade the DHCP servers after the new Active Directory structure is in place. Who can authorize the DHCP servers？（）
- A、 Chief information officer
- B、 IT support staff in Boston
- C、 IT support staff in New York
- D、 Network administrator in Chicago
- E、 Network administrator in New York
正确答案:A
第5题：
You are the network administrator at TestKing. You need to perform password recovery on Router TK1. What must you modify in the password recovery process?（）
- A、Configuration register
- B、NVRAM
- C、Boot flash
- D、CMOS
- E、Flash
正确答案:A,B
第6题：
A. Configuration register
B. NVRAM
C. Boot flash
D. CMOS
E. Flash
第7题：
You are an administrator of a switched network and your goal is to reduce some of the administrative overhead on your network. You plan on achieving this by configuring a new VLAN for each department in your network. However, you need to share the VLAN information across numerous switches throughout your network. Which of the following would allow you accomplish this?（）
- A、STP
- B、GVRP
- C、SNMP
- D、VTP
- E、DHCP
正确答案:D
第8题：
You are an administrator of Ezonexam.com's network. You want to perform. routine upgrades on your Windows 2000 Server computer. You use your non-administrator user account in the domain to logon to the server.
You want to upgrade all of the critical system files and patches on the server in the shortest possible time.
What should you do?
A．Use Windows Update.
B．Run System File Checker.
C．Log on as administrator and run Windows Update.
D．Log on as administrator and run System File Checker.
解析：Explanation:WindowsUpdateisusedtoupgradethesystemfilesandtoretrieveandapplythelatestservicepacksandpatchesfortheoperatingsystem.AllnecessaryfilesaredownloadedthroughtheInternet.TobeabletorunWindowsUpdatewemusthaveadministrativerights.Incorrectanswers:A:Thenon-administrativeuseraccountcannotbeusedtorunWindowsUpdate.TorunWindowsUpdatewemusthaveadministrativerights.B:SystemFileCheckercheckstheintegrityofthesystemfiles.Itcannotbeusedtoupgradethesystemfilesortoretrieveandapplythelatestservicepacksandpatchesfortheoperatingsystem.D:SystemFileCheckercheckstheintegrityofthesystemfiles.Itcannotbeusedtoupgradethesystemfilesortoretrieveandapplythelatestservicepacksandpatchesfortheoperatingsystem.
第9题：
You are a network administrator and you need to implement a routing protocol on your network that provides: * Scalability * VLSM support * Minimal overhead * Support for connecting networks using routers of multiple vendors Which of the following routing protocol would best serve your needs?（）
- A、VTP
- B、RIP version 1
- C、EIGRP
- D、OSPF
- E、IGRP
- F、CDP
正确答案:D
第10题：
You work as a network administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com. All servers on the ABC.com network have Windows Server 2012 R2 installed.The network as a server named ABC_SR05 that provides DHCP services.You need to create the DHCP scopes to support a subnet that has 800 hosts.You want to minimize the number of unused IP addresses on each subnet. How would you configure DHCP to support these subnets？（）
- A、You should assign the network 172.16.0.0/16.
- B、You should assign the network 172.16.0.0/17.
- C、You should assign the network 172.16.0.0/18.
- D、You should assign the network 172.16.0.0/19.
- E、You should assign the network 172.16.0.0/20.
- F、You should assign the network 172.16.0.0/22.
正确答案:F