更多"For SONET ring sw"的相关试题:
[单项选择]Which switching engine enables the access control list lookup to be committed to hardware? （）
A. IETF
B. PFC
C. ASIC
D. TCAM
[单项选择]What is the correct relative switching priority in a BLSR ring (higher to lower)?（）
A. signal fail, signal degrade, manual switch
B. signal degrade, signal fail, manual switch
C. protection lockout, manual switch, path AIS
D. forced switch, manual switch, signal degrade
E. protection lockout, manual switch, forced switch
[单项选择]Which switching mode provides the highest level of integrity and error-free transport, rather then maximizing speed?（）
A. 802.1q forwarding
B. VTP transparent mode
C. Cut-through
D. Store-and-forward
E. Fragment-free
F. Frame-filtering
[单项选择]One type of frame switching uses low-latency forwarding and then switches to a higher-latency error checking mode when an error threshold is exceeded. What is the name of this frame switching mode?（）
A. store and forward
B. fragment-free
C. adaptive cut-through
D. fast-forward
[单项选择]UPSR protection switching is initiated by （）, while BLSR is initiated by （）.
A. the K1 SONET byte； the K2 SONET byte
B. the K2 SONET byte；the K1 SONET byte
C. transmitter switching；receiver detection
D. Line Overhead bytes；Path Overhead bytes
E. Path Overhead bytes；Line Overhead bytes
[多项选择]What are two benefits of using VTP in a switching environment?（）
A. It allows switches to read frame tags.
B. It allows ports to be assigned to VLANs automatically.
C. It maintains VLAN consistency across a switched network.
D. It allows frames from multiple VLANs to use a single interface.
E. It allows VLAN information to be automatically propagated throughout the switching environment.
[单项选择]下列选项哪一个不属于Switching System（）
A. EIR
B. BSC
C. HLR
[单项选择]In the 7-layer OSI model, which layer switching will take place?（）
A. Layer one
B. Layer two
C. Layer three
D. Layer four
[单项选择]Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label，if the stack bit is set to1，which option is true？（）
A. The stack bit will only be used when LDP is the label distribution protocol
B. The label is the last entry in the label stack.
C. The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.
D. The stack bit is reserved for future use.
[单项选择]For best packet switching performance with crypto, what is the recommend packet switching path in a Cisco Teleworker Router?（）
A. Process Switching
B. Silicon Switching
C. Cisco Express Forwarding (CEF) Switching
D. Autonomous Switching
