640-861 무료 덤프문제 온라인 액세스

You are a network technician at Cisco . Cisco 's IP addressing requirements exceed the public class C address range assigned to the company.
Therefore, you
have implemented private addressing. You now want to provide all Cisco users with simultaneous access to the Internet.
Which mechanism would allow you to do this?

• A.Translate using dynamic NAT.
• B.None of the above.
• C.Secondary IP network.
• D.Translate using static NAT.
• E.Implement VLANs.

Which technology can ensure data confidentiality, data integrity, and authentication across a public IP network?

• A.IPSec
• B.GRE
• C.VPDN
• D.VLANs

You are the technician at Cisco and received an instruction to test a converged network. Upon doing the verification tests you discover that long distance calls goes off-net at the local office in stead of going via a remote office. When you try to put a long distance call through to the remote office, the remote voice gateway sends a busy-back signal.
Which changes in the design can rectify this situation?

• A.Configure more capacity between the remote voice gateway and its PBX D.
  Add local PSTN trunk capacity
• B.Add WAN capacity between the local and remote voice gateways
• C.Modify the queuing mechanism

Which statement represents an accurate description of IPv6 address route summarization?

• A.IPv6 address is unable to use route summarization
• B.IPv6 addresses must be converted to IPv4 addresses to facilitate router summarization
• C.The routers in the IPv6 network use proprietary protocols to optimize router summarization based on the size of their routing tables
• D.IPv6 address have default router summarization abilities based on Top level aggregators, Next Level aggregators and Site Level aggregators
• E.Classless inter domain routing (CIDR) for IPv6 perform route summarization by default

The newly appointed Cisco trainee wants to know for which of the following environments static routing would be most appropriate. What would your reply be?
(Choose two)

• A.Smaller expanding networks
• B.Stub networks
• C.Noncritical hosts
• D.Larger expanding networks
• E.Single-homed ISP connection