（） is based on logistics network, but more computerized and

Having been working in logistics for 3 years, he is more()than he used to be.

A、 proud

B、 brave

C、 confident

The Ezonexam network administrator wants to use a router named VE1 to segment the local network. What are some of the advantages of using VE1 to segment the network? (Choose two)

A. Routers generally cost less than switches

B. Filtering can occur based on Layer 3 information

C. Broadcasts are not forwarded across the router

D. Broadcasts are eliminated

E. Adding a router to the network decreases latency

F. Routers can generally support more LAN ports than switches

A、primarily behaviorally-based illness

B、draws more and more attention of parents

C、is more frequently than ADHD

D、needs frequent screening

此题为判断题(对，错)。

Astute service providers realize that the continued support of legacy X.25 and asynchronous network elements using separate operations networks is cost(71). For example, the maintenance of multiple networks can require additional staff. Often, this staff must be trained on multiple vendor technologies, sometimes requiring parallel groups specializing in each(72)Hence, additional maintenance procedures must be maintained and administrative records are(73). The duplication of transport facilities to carry(74)network traffic is an inefficient use of resources. And, not surprisingly, more technologies installed in a central office mean the necessity for more physical space, and an increase in power connections and power consumption. Migration of these(75)network elements to IP-based DCNs is a logical strategy.

A．prohibitive

B．feasible

C．connective

D．special

Does modern logistics mean transportation and delivery?

()Modern logistics is more about effective and efficient flow of materials and information.

A、 Yes, you’re right

B、 No, it’s not the whole story

C、 No, you' re wrong