CCDP系列认证CCDP(642-874)单项选择题每日一练(2019.01.17)

单项选择题
A virtual storage area network （VSAN） is a collection of ports from a set of connected FibreChannel switches， that form a virtual fabric. Which technology allows centralized storage services to be shared across different VSANs？（）
A. IVR
B. FSPF
C. FICON
D. SANTap
单项选择题
Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival.
A. echo
B. jitter
C. packet loss
D. digitized sampling
单项选择题
You are the Cisco Network Designer in Cisco.com. You are designing an e-Commerce module，which routing statement is correct？（）
A. Routing is mostly static.
B. Hardcoded IP addresses are used to support failover.
C. Inbound servers use the CSM or ACE as the default gateway.
D. VLANs between the access layer switches are used for FHRP protocols.
单项选择题
One of your customers has deployed a Layer 3 gateway in the untrusted network. Which gateway mode is appropriate for this customer？（）
A. Virtual Gateway
B. Real-IP Gateway
C. NAT Gateway
D. Central Gateway
单项选择题
You are the Cisco Network Designer. Which of these is least important when determining howmany users a NAS can support？（）
A. bandwidth
B. number of plug-ins per scan
C. total number of network devices
D. number of checks in each posture assessment