What is a reason to implement port security on an AOS-Switch?

• A.to control management access to the switch CLI based on device, as well as user credentials
• B.to simplify provisioning for devices such as IP phones or printers
• C.to filter traffic at the edge, based on multiple criteria in the MAC header
• D.to enhance the security of an 802.1X solution

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Exhibit



Exhibit 1 shows a portion of the BGP routing table when the BGP solution was first deployed. Exhibit 2 shows the same portion at the current time. What can explain the current state?

• A.An administrator has applied a route map on Switch-1 that filters advertised routes.
• B.Due to changes at ISP 1, Switch-1 now selects a different best route.
• C.Switch-1 can no longer reach ISP 1 at 192.068.1.1
• D.Due to changes in the private network. Switch-1 can no longer reach 192.168. 2.1

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Refer to the exhibit.

Why are these switches unable to achieve adjacency?

• A.The area range is incorrect on Switch-1 and missing on Switch-2.
• B.Switch-1 and Switch-2 use different area types for Area 1.
• C.Switch-2 does not support every area that Switch-1 does.
• D.They have the same priority and cannot elect a Designated Router (DR).

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A network administrator needs to control traffic based on Ethertype and Class of Service. What should the administrator configure for this purpose?

• A.both a standard IP ACL and an extended MAC ACL
• B.an extended IP ACL only
• C.an extended MAC ACL only
• D.both a standard IP ACL and a standard MAC ACL

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Refer to the exhibits.
Exhibit 1.

Exhibit 2.

The company wants to minimize congestion on Link 1.
Which spanning tree implementation meets this goal?

• A.Instance 1 = VLANs 4,6 Instance 2 = VLANs 5,7Switch 2 instance 1 priority = 0 Switch 2 instance 2 priority = 1Switch 3 instance 1 priority = 0 Switch 3 instance 2 priority = 1
• B.Instance 1 = VLANs 4-5 Instance 2 = VLANs 6-7Switch 2 instance 1 priority = 0 Switch 2 instance 2 priority = 1Switch 3 instance 1 priority = 0 Switch 3 instance 2 priority = 1
• C.Instance 1 = VLANs 4-5 Instance 2 = VLANs 6-7Switch 2 instance 1 priority = 0 Switch 2 instance 2 priority = 1Switch 3 instance 1 priority = 1 Switch 3 instance 2 priority = 0
• D.Instance 1 = VLANs 4,6 Instance 2 = VLANs 5,7Switch 2 instance 1 priority = 0 Switch 2 instance 2 priority = 1Switch 3 instance 1 priority = 1 Switch 3 instance 2 priority = 0

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