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Cisco Implementing Cisco IP Switched Networks Sample Questions:

1. A network administrator wants to configure 802.1x port-based authentication, however, the client workstation is not 802.1x compliant. What is the only supported authentication server that can be used?

A) LDAP
B) RADIUS with EAP extensions
C) TACACS+
D) TACACS with LEAP extensions

2. Refer to the exhibit.

Which VRRP statement about the roles of the master virtual router and the backup virtual router is true?

A) Router A is the master virtual router, and Router B is the backup virtual router. When Router A fails, Router B will become the master virtual router. When Router A recovers, it will regain the master virtual router role.
B) Router A is the master virtual router, and router B is the backup virtual router. When router A fails, router B becomes the master virtual router. When router A recovers, router B maintains the role of master virtual router.
C) Router B is the master virtual router, and router A is the backup virtual router. When router B fails, router A becomes the master virtual router. When router B recovers, router A maintains the role of master virtual router.
D) Router B is the master virtual router, and router A is the backup virtual router. When router B fails, router A becomes the master virtual router. When router B recovers, it becomes the master virtual router role.

3. What two steps can be taken to help prevent VLAN hopping? (Choose two.)

A) Place unused ports in a common unrouted VLAN.
B) Implement port security.
C) Disable Cisco Discovery Protocol on ports where it is not necessary.
D) Enable BPDU guard.
E) Prevent automatic trunk configurations.

4. What is one method that can be used to prevent VLAN hopping?

A) Configure ACLs.
B) Enforce username and password combinations.
C) Configure all frames with two 802.1Q headers.
D) Configure VACLs.
E) Explicitly turn off DTP on all unused ports.

5. Which statement is true about Layer 2 security threats?

A) Dynamic ARP Inspection in conjunction with ARP spoofing can be used to counter DHCP snooping attacks.
B) MAC spoofing attacks allow an attacking device to receive frames intended for a different network host.
C) DHCP snooping sends unauthorized replies to DHCP queries.
D) Port scanners are the most effective defense against Dynamic ARP Inspection.
E) ARP spoofing can be used to redirect traffic to counter Dynamic ARP Inspection.
F) MAC spoofing, in conjunction with ARP snooping, is the most effective counter-measure against reconnaissance attacks that use Dynamic ARP Inspection to determine vulnerable attack points.

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