Cisco 642-523 Exam - Passitexam.com

Free 642-523 Sample Questions:

1.For the following commands, which one enables the DHCP server on the DMZ interface of the Cisco ASA with an address pool of 10.0.1.100­10.0.1.108 and a DNS server of 192.168.1.2?
A.dhcpd address 10.0.1.100­10.0.1.108 DMZ dhcpd dns 192.168.1.2 dhcpd enable DMZ
B.dhcpd address range 10.0.1.100­10.0.1.108 dhcpd dns server 192.168.1.2 dhcpd enable DMZ
C.dhcpd range 10.0.1.100­10.0.1.108 DMZ dhcpd dns server 192.168.1.2 dhcpd DMZ
D.dhcpd address range 10.0.1.100­10.0.1.108 dhcpd dns 192.168.1.2 dhcpd enable
Answer: A

2.Which description is correct about the output provided in the exhibit?

A.The ACLOUT access list has been designed to allow the IP address with the network address of
192.168.6.0 to have unrestricted access to the web server at IP address 192.168.1.11.
B.The ACLOUT access list has been designed to deny the IP address 192.168.1.11 web access to the host with a network address of 192.168.6.0.
C.The ACLIN access list permits web access from host 192.168.6.10 to all hosts behind the Cisco ASA.
D.The ICMPDMZ access list denies all ICMP traffic bound for the bastion host except echo replies
Answer: A

3.What is the effect of the per­user­override option when applied to the access­group command syntax?
A.The log option in the per­user access list overrides existing interface log options.
B.It allows for extended authentication on a per­user basis.
C.It allows downloadable user access lists to override the access list applied to the interface.
D.It increases security by building upon the existing access list applied to the interface. All subsequent users are also subject to the additional access list entries.
Answer: C

4.In order to recover the Cisco ASA password, which operation mode should you enter?
A.configure
B.unprivileged
C.privileged
D.monitor
Answer: D

5.Observe the following commands, which one verifies that NAT is working normally and displays active NAT translations?
A.show ip nat all
B.show running­configuration nat
C.show xlate
D.show nat translation
Answer: C

6.What is the result if the WebVPN url­entry parameter is disabled?
A.The end user is unable to access pre­defined URLs.
B.The end user is unable to access any CIFS shares or URLs.
C.The end user is able to access CIFS shares but not URLs.
D.The end user is able to access pre­defined URLs.
Answer: D

7.Which three tunneling protocols and methods are supported by the Cisco VPN Client? (Choose three.)
A.IPsec over TCP
B.IPsec over UDP
C.ESP
D.AH
Answer: A, B, C

8.Tom is a network administrator, study the exhibit carefully. He wants to authenticate remote users who are accessing the P4S­WEB server from the Internet. When a remote user initiates a session to the P4S­WEB server, the ASA1 security appliance will verify the user's credentials with the TX_ACS AAA server via RADIUS. In order to achieve this goal, Tom needs to load and configure Cisco ACS software on the TX_ACS AAA server. During the process, he should appropriately configure the AAA client information in the Cisco ACS network configuration window. What should Tom place in field A (AAA Client Hostname) and field B (AAA Client IP address)?

A.A ­ P4S­PC B ­ 192.168.2.10
B.A ­ TX_ACS B ­ 10.0.1.10
C.A ­ P4S­WEB B ­ 172.16.1.2
D.A ­ ASA1 B ­ 10.0.1.1
Answer: D

9.What are the two purposes of the same­security­traffic permit intra­interface command? (Choose two.)
A.It allows all of the VPN spokes in a hub­and­spoke configuration to be terminated on a single interface.
B.It enables Dynamic Multipoint VPN.
C.It permits communication in and out of the same interface when the traffic is IPSec protected.
D.It allows communication between different interfaces that have the same security level
Answer: A, C

10.How many unique transforms will included in a single transform set while configuring a crypto ipsec transform­set command?
A.three
B.two
C.four
D.one
Answer: B

11.Which of these identifies basic settings for the security appliance, including a list of contexts?
A.network configuration
B.admin configuration
C.system configuration
D.primary configuration
Answer: C

12.By default, the AIP­SSM IPS software is accessible from the management port at IP address
10.1.9.201/24. Which CLI command should an administrator use to change the default AIP­SSM management port IP address?
A.interface
B.hw module 1 recover
C.setup
D.hw module 1 setup
Answer: C

13.An administrator wants to protect a DMZ web server from SYN flood attacks. Which command does not allow the administrator to place limits on the number of embryonic connections?
A.set connection
B.nat
C.static
D.HTTP­map
Answer: D

14.Which three potential groups are of users for WebVPN? (Choose three.)
A.employees accessing specific internal applications from desktops and laptops not managed by IT
B.administrators who need to manage servers and networking equipment
C.employees that only need occasional corporate access to a few applications
D.users of a customer service kiosk placed in a retail store
Answer: A, C, D

15.The inline IPS software feature set is available in which security appliances?
A.only Cisco ASA 5520 and 5540 Security Appliances with an AIP­SSM module
B.any Cisco PIX and ASA Security Appliance running v.7 software and an AIP­SSM module
C.only Cisco PIX 515, 525, and 535 Security Appliances with an AIP­SSM module
D.any Cisco ASA 5510, 5520, or 5540 Security Appliance with an AIP­SSM module
Answer: D

16.For the following commands, which one would offer detailed information about the crypto map configurations of a Cisco ASA?
A.show crypto map
B.show run ipsec sa
C.show ipsec sa
D.show run crypto map
Answer: D

17.Which one of the following commands will prevent all SIP INVITE packets, such as calling­party and request­method, from specific SIP endpoints?
A.Use the match calling­party command in a class map. Apply the class map to a policy map that contains the match request­methods command.
B.Group the match commands in a SIP inspection class map.
C.Use the match request­methods command in an inspection class map. Apply the inspection class map
to an inspection policy map that contains the match calling­party command.
D.Group the match commands in a SIP inspection policy map.
Answer: B

18.How do you ensure that the main interface does not pass untagged traffic when using subinterfaces?
A.Use the vlan command on the main interface.
B.Use the shutdown command on the main interface
C.Omit the nameif command on the subinterface
D.Omit the nameif command on the main interface.
Answer: D

19.Please look at the follwing picture: Which of the following traffic is permitted based on the current access­list configuration?

A.FTP traffic from any outside host to the 172.16.1.2 host on the DMZ1 network
B.HTTP and HTTPS traffic from the 172.16.10.2 DMZ2 host to any host on the outside
C.Any IP traffic from any outside host to the 172.16.10.2 host on the DMZ2 network
D.Any IP traffic from any outside host to the 172.16.1.2 host on the DMZ1 network
Answer: A

20.Which statement about Telnet and the security appliance is true?
A.You can enable Telnet on all interfaces, but the PIX security appliance requires that all Telnet traffic to
all interfaces be IPSec protected.
B.You can enable Telnet on all interfaces, but it must be protected with SSH.
C.You can enable Telnet on all interfaces, but the PIX security appliance requires that all Telnet traffic to the outside interface be IPSec protected.
D.You can enable Telnet on all interfaces except the outside interface.
Answer: C