單項(xiàng)選擇題Which QoS requirement applies to streaming video traffic?()

A. one-way latency of 150 ms to 200 ms
B. jitter of 30 ms or less
C. packet loss of 2 percent or less
D. 150bps of overhead bandwidth


您可能感興趣的試卷

你可能感興趣的試題

2.多項(xiàng)選擇題Which two are characteristics of RSVP?()

A. RSVP itself provides bandwidth and delay guarantees.
B. For RSVP to be end-to-end, all devices must support RSVP.
C. RSVP reservations are maintained by a centralized reservations server.
D. An RSVP compatible QoS mechanism must be used to implement guarantees according to RSVP reservations.

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

5.單項(xiàng)選擇題VLAN Tagging, also known as Frame Tagging, is a method developed by Cisco to help identify packets travelling through trunk links. When an Ethernet frame traverses a trunk link, a special VLAN tag is added to the frame and sent across the trunk link .How does ERS use the VLAN tag?()

A. provide service internetworking
B. support transparency for Layer 2 frames
C. indicate destination as a connection identifier
D. map to the DLCI in service internetworking

最新試題

As an experienced technician, you are responsible for Technical Support. A customer calls to ask the best signal level and noise level for cell phone. How to respond?()

題型:單項(xiàng)選擇題

Which two of these are advantages of placing the VPN device in the DMZ on the firewall?()

題型:多項(xiàng)選擇題

As an experienced technician, you are responsible for Technical Support. One of the trainees is asking your advice on VPN Termination Device and Firewall Placement. Which of the following approaches will you recommend?()

題型:單項(xiàng)選擇題

In a VoWLAN deployment, what is the recommended separation between cells with the same channel?()

題型:單項(xiàng)選擇題

You are the network consultant from pass4sure.com. One of your customer has six sites, three of which process a large amount of traffic among them. He plans to grow the number of sites in the future. Which is the most appropriate design topology?()

題型:單項(xiàng)選擇題

Please match the Cisco NAC appliance component to its description.()(1)Cisco NAS(2)Cisco NAA(3)Rule-set Lpdates(4)Cisco NAM(a) a centralized management point(b) an in-band cr out-of-band device for network access control(c) a Windows-based client which allows network access based on the tasks running(d) a status crecker for operating systems,antivirus,antispyware,etc.

題型:單項(xiàng)選擇題

What is the recommended radius of a cell for a voice-ready wireless network?()

題型:單項(xiàng)選擇題

What is the term for a logical SAN which provides isolation among devices physically connected to the same fabric?()

題型:單項(xiàng)選擇題

Please match the Cisco STP enahancement term to its definition.()(1) BPDU guard(2) PortFast(3) BackboneFast(4) Loop guard(5) Root guard(a) shuts down a port that receives a BPDU when enabled(b) cuts convergence time by mas-age for indirect failure(c) prevents the aliernate or root port from being designated in absence of BPDUs(d )causes Layer 2 LAN interface access port to immediately enter the forwarding state(e) helps prevent bridging loops due to jni-directional link failures on point-to-point links

題型:單項(xiàng)選擇題

Client traffic is being bridged through LAN interfaces on two WLCs. Which roaming option will keep them on the same IP subnet?()

題型:單項(xiàng)選擇題