CCDP系列認(rèn)證CCDP(642-873)章節(jié)練習(xí)(2019.05.06)

A. to ensure a loop-free topology
B. to protect against user-side loops
C. when a VLAN spans access layer switches
D. for the most deterministic and highly available network topology
E. because of the risk of lost connectivity without Spanning Tree Protocol

A. dynamic reconfiguration
B. path MTU discovery
C. auto setup
D. remote management

A. no congestion avoidance
B. not for bandwidth intensive applications
C. no guaranteed delivery mechanism
D. source sends multiple data streams out each interface

A. regions
B. partitions
C. locations
D. device Pools

A.EIGRP
B.OSPF
C.IS-IS
D.RIPv2

A. optical technology for transmitting up to 32 channels over multiple fiber strands
B. optical technology for transmitting up to 16 channels over multiple fiber strands
C. a WDM system that is compatible with EDFA technology
D. a technology for transmitting more closely packed optical signals using more sophisticated transceiver designs than CWDM .

A. redundant infrastructure
B. clustering of computer systems
C. reduced MTBF
D. continuous operation of computing systems

A.queuing
B.jitter
C.packet loss
D.digitized sampling
E.signal-to-noise ratio ratio

A. reliability
B. scalability
C. redundancy
D. manageability

A. It fragments and encapsulates all packets in a fragmentation header.
B. Packets smaller than the fragmentation size are interleaved between the fragments of the larger packets.
C. Packets larger than the fragmentation size are always fragmented, and cannot be interleaved, even if the traffic is voice traffic.
D. It fragments and encapsulates packets that are longer than a configured size, but does not encapsulate smaller packets inside a fragmentation header.