You are installing a Cisco ONS 15454 SDH in a service provider site. An E3 cable is being connected to a digital cross-connect system.
What is the maximum distance allowed between the two？（）
A. 225 ft
B. 450 ft
C. 655 ft
D. 900 ft
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A. An equal amount of working and protect bandwidth is required.
B. DCC bandwidth is not large enough to handle K1/K2 processing.
C. Switch times would exceed 50 ms for an STM-1 MS-SPRing ring.
D. There is not enough bandwidth in an STM-1 ring to justify MS-SPRing protection.
You are provisioning an E-1 circuit on an ONS 15454 SNCP configuration and XC-VXL-10G card.
How many total ports are used within the Low-Order matrix at the source node？（）
A. 0
B. 1
C. 2
D. 3
E. 5
A. It protects signals against node failures between rings.
B. It protects signals against node failure within a single ring.
C. It allows for traffic to be preempted when a ring switch occurs.
D. Traffic can be dropped and continued at interconnecting nodes.
E. It protects preemptible traffic from being dropped when a ring switch occurs.
A customer would like to create a 1：1 protection group with a DS3Ni-12 card.
Where should it be placed in the chassis？（）
A. only Slots 6 or 12
B. only Slots 3 or 15
C. high or low speed slots
D. directly adjacent to the working card
E. high-speed slots only （5/6 and 12/13）
A customer has 20 E1s to add between far-end nodes in an SNCP ring.
What type of circuit would you recommend？（）
A. LO-PATH circuits
B. HO-PATH circuits
C. 1：1 protection circuits
D. 1：N protection circuits
E. LO-PATH tunnel circuits
Click the Exhibit button. As shown in the exhibit， a customer has several interconnected core rings. They want to create several irtual rings？utilizing their STM-64 backbone （nodes 1， 2， 3， and 4）.
What do you recommend？ （）
A. SNCP rings
B. MS-SPRing rings
C. 1：N protection on all core circuits
D. dual-ring interconnect with MS-SPRing rings
A customer has 2 E1s to add between far-end nodes in an SNCP ring.
What type of circuit should you recommend？ （）
A. LO-PATH circuits
B. HO-PATH circuits
C. 1：1 protection circuits
D. 1：N protection circuits
E. LO-TUNNEL tunnel circuits
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
A. LEX
B. HDLC
C. GFP-F
D. PPP/BCP
You are provisioning an E-1 circuit on an ONS 15454 MS-SPRing configuration and XC-VXL-10G card. Each VC-12 connection must also terminate via the VC-3 matrix.
How many VC-3 ports remain after this circuit is created， assuming no other circuits？（）
A. 92
B. 93
C. 94
D. 95
E. 96
最新試題
What is the difference between the transmitted power and the sensitivity of the receiver？ （）
What are two important considerations when using 2- or 4-channel 15216 OADMs？（）
If the power is 0 dBm， what is the power in mW？（）
Which is a legitimate bandwidth matched pair？（）
Click the Exhibit button. Within an ONS 15454， you are provisioning a circuit on an unprotected SNCP ring. In the exhibit， which two must you configure？（）
In SDH， what is the name of the embedded Data Communication Channel （DCC） in bytes D1-D3？（）
Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications？（）
What are two major differences between MS-SPRing and SNCP？（）
Click the Exhibit button. When designing a DWDM system with multiple amplified spans， a pre-amp is needed at Site B to （）.
What protection method is used in 4F MS-SPRing networks？（）