Question # 1 TCP is sending data in 5 segments with SEQ numbers 27000, 27500.28000, 28500, and 29000 respectively. During transmission, the segment with SEQ=28500 is dropped in the network. How does TCP handle this situation?
The receiving end station sends an ACK flag with SEQ=28000 to indicate it has received a segment out of order.
The receiving station sends a NACK frame with SEQ=28500 requesting that the frame be retransmitted
Once the reciever's window is full. TCP assembles the payload and determines that SEQ=28500 is missing. At this point, the reciever sends the RST flagwith SEQ=28500 to Request Single Transmission of the missing segment.
TCP will collect the segments and forward them to the application layer where the SEQ numbers will be processed and a retransmit request will occur for the entire packet
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The receiving end station sends an ACK flag with SEQ=28000 to indicate it has received a segment out of order.
Question # 2 Which field in the TCP header is used by the receiver to indicate the number of segments it can receive?
Checksum
SYN
Destination port
Window size
MTU
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Question # 3 What is the function of a Routing Table Manager (RTM)?
To find the best path to the destination network and install it in the routing table - based on the metrics of the routing protocol.
To provide a CLI interface that allows the operator to configure the dynamic routing protocol on the router.
To choose the route with the lowest preference andinstall it in the routing table - based on the routing protocol preference values.
To provide a CLI interface that allows the network operator to install static routes in the routing table.
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To choose the route with the lowest preference andinstall it in the routing table - based on the routing protocol preference values.
Question # 4 What must occur before a LAG becomes operational?
There must be multiple ports assigned to the LAG.
All ports in the LAG must be configured with the same speed and duplex settings.
Auto-negotiation must be enabled on all ports in the LAG.
The duplex setting on all the ports must be forced to half.
Auto-negotiation must be set to limited or disabled on at least one member port
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All ports in the LAG must be configured with the same speed and duplex settings.
Question # 5 Which of the following statements are TRUE regarding IP-filters? (Choose 2)
IP-filters may be applied on interface ingress, egress, or both.
Multiple IP-filters can be applied in each direction.
An IP-filter may only be applied to a single interface if the scope is set to template.
An IP-filter may have multiple match criteria per entry.
The default-action of an IP-filter is always drop.
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IP-filters may be applied on interface ingress, egress, or both.
An IP-filter may have multiple match criteria per entry.
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