單項選擇題

When configured. MPLS can increase routing redundancy by providing which of the following network topology types?（）

A.Bus
B.Mesh
C.Multipath
D.Ring

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單項選擇題

Which of the following devices separates a LAN segment into two collision domains, without affecting the broadcast domain?（）

A.Firewall
B.Bridge
C.Repeater
D.Router

單項選擇題

Which of the following protocols is used to encrypt data between web servers and web browsers?（）

A.SMTP
B.SIP
C.HTTP
D.SSL