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QUESTION 1
Select the statement that best describes "The cure for Amplification Principle" in the Internet domain, as explained in
RFC 3429 (Internet Architectural Guidelines)
A. None of the above
B. Amplification is prevented if local changes have only a local effect as opposed to system in which local change have
a global effect
C. Amplification is prevented if global changes have only a local effect as opposed to systems in which global changes
have a local effect
D. Internet domain does not suffer from "The Amplification Principle" as BGP takes care of misbehaving advertisers
Correct Answer: B
In the Internet domain, it has been shown that increased interconnectivity results in more complex and often slower
BGP routing convergence [AHUJA]. A related result is that a small amount of inter-connectivity causes the output of a
routing mesh to be significantly more complex than its input [GRIFFIN]. An important method for reducing amplification
is ensure that local changes have only local effect (this is as opposed to systems in which local changes have global
effect). Finally, ATM provides an excellent example of an amplification effect: if you lose one cell, you destroy the entire
packet (and it gets worse, as in the absence of mechanisms such as Early Packet Discard [ROMANOV], you will
continue to carry the already damaged packet).
QUESTION 2
A router is unable to route packets over a PPPoE link. What could be the cause of this issue?
A. incorrect IPCP connection for the agreed-upon IP address
B. incorrect dialer map profile
C. incorrect username of the PPP connection
D. incorrect access list
Correct Answer: B
QUESTION 3
A service provider has a requirement to deliver WAN gateway functionality to multi- tenant, provider-hosted clouds.
Which cisco platform meets this requirement?
A. Cisco ASR 9000 series
B. Cisco NX-OS
C. Cisco ASR 1000 Series
D. Cisco CSR 1000v
E. Cisco CRS series
Correct Answer: D
QUESTION 4
Which two statements about 10 Gigabit Ethernet (10GE) are true? (Choose two.)
A. 10 Gigabit Ethernet does not support VLAN definition
B. 10 Gigabit Ethernet supports full duplex links, but does not support half duplex links.
C. 10 Gigabit Ethernet supports unshielded or shielded twisted-pair cable connections
D. 10 Gigabit Ethernet supports Carrier Sense Multiple Access with Collision Detection (CSMA/CD).
E. 10 Gigabit Ethernet supports optical fiber connections in single mode only. Multi mode is not supported.
Correct Answer: BC
QUESTION 5
In PPPoA architecture, which two methods are most commonly deployed? (Choose two)
A. Terminating PPP sessions at the service provider
B. L2TP tunnelling
C. GRE tunnelling
D. PPP multiplexing
E. PPP framing
Correct Answer: AB
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Wow what a great blog, i really enjoyed reading this, good luck in your work. AZ-220: Microsoft Azure IoT Developer
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