On the serial interface of a router, a...

多项选择题On the serial interface of a router, an inbound access list is configured to deny all traffic from UDP and TCP ports 21, 23, and 25. All other traffic is permitted. Based on this information, which types of traffic will be allowed through this interface?（）

A.SMTP
B.DNS
C.FTP
D.Telnet
E.HTTP
F.POP3

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1.单项选择题Which of the following statements regarding the use of multiple access lists are valid when configuring a single interface on a Cisco router?（）

A. Application of up to three access lists per protocol to a single interface.
B. No more than two access lists per interface.
C. One access list may be configured per direction for each Layer 3 protocol configured on an interface.
D. The maximum number allowed varies due to RAM availability in the router.
E. An infinite number of access lists that can be applied to an interface, from most specific to most general.
F. Cisco IOS allows only one access list to an interface.

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2.多项选择题 You're the systems administrator at Testing, and you create the following access control lists.
You then enter the command "ip access-group 101 in" to apply access control list 101 to router TK1s e0 interface.Which of the following Telnet sessions will be blocked as a result of your access lists?（）

A. Telnet sessions from host A to host 5.1.1.10
B. Telnet sessions from host A to host 5.1.3.10
C. Telnet sessions from host B to host 5.1.2.10
D. Telnet sessions from host B to host 5.1.3.8
E. Telnet sessions from host C to host 5.1.3.10
F. Telnet sessions from host F to host 5.1.1.10

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3.单项选择题You are securing a network for TestKing and want to apply an ACL (access control list) to an interface of a router. Which one of the following commands would you use?（）

A. permit access-list 101 out
B. ip access-group 101 out
C. apply access-list 101 out
D. access-class 101 out
E. ip access-list e0 out

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4.单项选择题What is the purpose of assigning an IP address to a switch?（）

A. Provides local hosts with a default gateway address
B. Allows remote management of the switch.
C. Allows the switch to respond to ARP requests between two hosts
D. Ensures that hosts on the same LAN can communicate with each other.

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5.单项选择题As a TestKing trainee you are required to set the default gateway on a Cisco switch to the IP address of 192.168.1.115. Which IOS command should you use?（）

A. TestKSwitch(config)# ip route-default 192.168.1.115
B. TestKSwitch(config)# ip default-gateway 192.168.1.115
C. TestKSwitch(config)# ip route 192.168.1.115 0.0.0.0
D. TestKSwitch(config)# ip default-network 192.168.1.115

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6.多项选择题Which interface commands would you enter on a Catalyst 2900 switch, if your goal was to bring all VLAN traffic to another directly connected switch?（）

A. Switch(config-if)# vlan all
B. Switch(config-if)# switchport trunk encapsulation dot1q
C. Switch(config-if)# switchport access vlan all
D. Switch(config-if)# switchport mode trunk
E. Switch(config-if)# switchport access vlan 303

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7.多项选择题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

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8.单项选择题After making some network changes you power off and then power on your Cisco router. What sequence of events occurs when a router is powered up?（）

A. Perform POST, locate configuration statements, apply configuration statements, locate Cisco IOS software, and load Cisco IOS software.
B. Locate Cisco IOS software, load Cisco IOS software, locate configuration statements, apply configuration statements, and perform POST.
C. Test software routines, POST, load configuration files, load Cisco IOS software, test Cisco IOS software.
D.POST, locate Cisco IOS software, load the Cisco IOS software, locate configuration statements, and apply configuration statements.
E. Load and test IOS, load configuration files, test software routines, POST.

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9.单项选择题
You are unable to connect to the TESTKING1 router. Which of the following command sequences will correct this problem?（）

A.
B.
C.
D.
E.
F.

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10.单项选择题 You want the text "Unauthorized access prohibited!" to be displayed before the login prompt every time someone tries to initiate a Telnet session to a router, as shown in the example below:

Which command can be used to configure this message?（）

A. login banner x Unauthorized access prohibited! X
B. banner exec y Unauthorized access prohibited! Y
C. banner motd x Unauthorized access prohibited! X
D. vtv motd "Unauthorized access prohibited!"

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