多項(xiàng)選擇題

網(wǎng)絡(luò)中使用防火墻有哪些好處（）

A.防止敏感用戶和應(yīng)用暴露于不受信任的用戶前
B.網(wǎng)絡(luò)性能提升
C.凈化協(xié)議流量，防止暴露協(xié)議漏洞
D.正確的配置防火墻后，使得安全策略的實(shí)現(xiàn)更簡單、可擴(kuò)展、更健壯

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多項(xiàng)選擇題

Which two statements are characteristics of a distance vector routing protocol？（）

A.RIP is an example of distance vector routing protocols.
B.Updates are periodic and include the entire routing table.
C.Routing updates are sent only after topology changes
D.The protocol can be useful in hub-and-spoke and hierarchical networks.
E.Convergence is usually faster than with link state protocols
F.Each router has its own view of the topology

單項(xiàng)選擇題

The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?（）

A.10.10.0.0/18 subnetted with mask 255.255.255.252
B.10.10.0.0/25 subnetted with mask 255.255.255.252
C.10.10.0.0/24 subnetted with mask 255.255.255.252
D.10.10.0.0/23 subnetted with mask 255.255.255.252
E.10.10.0.0/16 subnetted with mask 255.255.255.252