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2018 Jan Cisco Official New Released 300-101
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Implementing Cisco IP Routing
Question No: 11 – (Topic 1)
Which three TCP enhancements can be used with TCP selective acknowledgments? (Choose three.)
-
header compression
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explicit congestion notification
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keepalive
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time stamps
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TCP path discovery
-
MTU window
Answer: B,C,D
Question No: 12 – (Topic 1)
A network engineer notices that transmission rates of senders of TCP traffic sharply increase and decrease simultaneously during periods of congestion. Which condition causes this?
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global synchronization
-
tail drop
-
random early detection
-
queue management algorithm
Answer: A
Topic 2, Layer 2 Technologies
Question No: 13 – (Topic 2)
PPPoE is composed of which two phases?
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Active Authentication Phase and PPP Session Phase
-
Passive Discovery Phase and PPP Session Phase
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Active Authorization Phase and PPP Session Phase
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Active Discovery Phase and PPP Session Phase
Answer: D
Question No: 14 – (Topic 2)
Which statement is true about the PPP Session Phase of PPPoE?
-
PPP options are negotiated and authentication is not performed. Once the link setup is completed, PPPoE functions as a Layer 3 encapsulation method that allows data to be transferred over the PPP link within PPPoE headers.
-
PPP options are not negotiated and authentication is performed. Once the link setup is completed, PPPoE functions as a Layer 4 encapsulation method that allows data to be transferred over the PPP link within PPPoE headers.
-
PPP options are automatically enabled and authorization is performed. Once the link setup is completed, PPPoE functions as a Layer 2 encapsulation method that allows data to be encrypted over the PPP link within PPPoE headers.
-
PPP options are negotiated and authentication is performed. Once the link setup is completed, PPPoE functions as a Layer 2 encapsulation method that allows data to be transferred over the PPP link within PPPoE headers.
Answer: D
Question No: 15 – (Topic 2)
A network engineer has been asked to ensure that the PPPoE connection is established and authenticated using an encrypted password. Which technology, in combination with PPPoE, can be used for authentication in this manner?
-
PAP
-
dot1x
-
IPsec
-
CHAP
-
ESP
Answer: D
Question No: 16 – (Topic 2)
A corporate policy requires PPPoE to be enabled and to maintain a connection with the ISP, even if no interesting traffic exists. Which feature can be used to accomplish this task?
-
TCP Adjust
-
Dialer Persistent
-
PPPoE Groups
-
half-bridging
-
Peer Neighbor Route
Answer: B
Question No: 17 – (Topic 2)
Which PPP authentication method sends authentication information in clear text?
-
MS CHAP
-
CDPCP
-
CHAP
-
PAP
Answer: D
Question No: 18 – (Topic 2)
Which protocol uses dynamic address mapping to request the next-hop protocol address for a specific connection?
-
Frame Relay inverse ARP
-
static DLCI mapping
-
Frame Relay broadcast queue
-
dynamic DLCI mapping
Answer: A
Question No: 19 – (Topic 2)
Prior to enabling PPPoE in a virtual private dialup network group, which task must be completed?
-
Disable CDP on the interface.
-
Execute the vpdn enable command.
-
Execute the no switchport command.
-
Enable QoS FIFO for PPPoE support.
Answer: B
Topic 3, Layer 3 Technologies
Question No: 20 – (Topic 3)
You have been asked to evaluate how EIGRP is functioning in a customer network.
What type of route filtering is occurring on R6
-
Distribute-list using an ACL
-
Distribute-list using a prefix-list
-
Distribute-list using a route-map
-
An ACL using a distance of 255
Answer: A
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