Which of the following is NOT an advantage pf TCP/IP layering?

• A.It provides a standardized method of communication.
• B.It simplifies complex procedures.
• C.It reduces protocol overhead.
• D.It isolates layers and defines how they should interact.

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The method by which Ethernet frames are associated to a specific VLAN is referred to as:

• A.Tagging
• B.Stacking
• C.Segmenting
• D.Routing

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If a customer requires a multipoint layer 2 VPN service between three or more locations which VPN service is best suited for this customer?

• A.Virtual Private Routed Networks
• B.Virtual Private LAN Service
• C.Virtual Private Wire Service
• D.Virtual Private Dark Fibre Service

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What problem was Spanning Tree Protocol (STP) primarily designed to solve?

• A.Missing protocol field in the Ethernet header.
• B.Unreliable data transfer in Layer 2 networks.
• C.Missing sequence number in the Ethernet header.
• D.Broadcast storms caused by redundancy in Layer 2 networks.

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What is the meaning of carrier sense in the CSMA/CD algorithm?

• A.The host is able to detect the transmission speed of the Ethernet switch port to which the host is connected.
• B.The host will only transmit upon a timer expiry.
• C.The host will retransmit the frame if it detects a collision during transmission.
• D.The host will only transmit data when it detects that no other devices are transmitting.
• E.The host will only transmit when it receives the token.

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