642-871 무료 덤프문제 온라인 액세스

What is one of the reasons that custom QoS ACLs are recommended over automatic QoS when configuring ports on a Catalyst 6500 for use with IP phones?

• A.79xx IP phones do not mark protocol packets such as DHCP, DNS, or TFTP with non- zero DSCP values.
• B.79xx IP phones do not automatically mark voice packets with non-zero DSCP values.
• C.79xx IP phones use a custom protocol to communicate CDP information to the switch.
• D.79xx IP phones do not mark voice packets with optimal DSCP values.

A multinational company has Internet gateways in multiple countries and an internal IP WAN. They are designing an IP addressing scheme.Which are the three most important issues that need to be considered? (Choose three.)

• A.Is hierarchy needed within the IP addressing plan?
• B.How many locations are in the network and what is their size?
• C.Which locations will provide redundant links to the Internet?
• D.How will VLANs be deployed for the customer?
• E.What types of IP addresses are required, private, public, or both?

Which three LAN routing protocols would be appropriate for a small retail organization with a multi-vendor LAN infrastructure? (Choose three.)

• A.EIGRP
• B.RIP
• C.BGP
• D.RIPv2
• E.IGRP
• F.OSPF

Your customer is planning to promote an e-commerce website heavily, and expects to achieve a high volume of transactions. Downtime must be kept to an absolute minimum.
What should you include in your proposed availability model?

• A.the effects of parallel link options on the network topology
• B.a plan for the proactive management of redundant components
• C.the effects of various redundant design options and their costs
• D.an illustration of the scalability and performance of the system

Lafeyette Productions is looking for a new ISP that has improved availability, load balancing, and catastrophe protection. Which type of ISP connectivity solution would be best?

• A.stub domain EBGP
• B.autonomous-route injection
• C.single run
• D.multi-homed
• E.direct BGP peering