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本帖最后由 thegreek1 于 2019-3-24 11:34 编辑 6 p( P* d- @' e; r
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There are 450 questions in this release including some new and old questions. I need to study my weak areas like uRPV, redistribution, and IP CEF
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750 questions# O2 m7 e1 H% ~' H$ K
https://www.scribd.com/document/399544061/300-101-Dexter-pdf
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, e7 K1 o1 c; E: k7 E! kNew questions from foreign websites
. n: m, m- L* {% T, d; I, UAn engineer has configured a router to use EUI-64, and was asked to document the IPv6 address of the router. The router has the following interface parameters:# y- Z5 c& G0 V+ _3 N# g# E* n
9 }* k" I" E* o5 \) tMac address C601.420F.0007" C$ G! O5 I: Y) {
Subnet 2001: DB8:0:1::/64" K) \3 m& a+ a! ~* @
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Which IPv6 addresses should the engineer add to the documentation?* r5 d X% b$ }* h' ?
A. 2001: DB8:0:1:C601:42FF:FE0F:7+ w B2 i6 P$ |+ t# J
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B. 2001: DB8:0:1:FFFF:C601:420F:7
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D. 2001: DB8:0:1:C601:42FE:800F:7
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Refer to the exhibit. When summarizing these routes, which route is the summarized route?6 d3 V) }$ O! q( }( j. z+ W
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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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A. global synchronization2 b4 x/ H" Q) w$ D" z- V& q
B. tail drop! e/ g; g) w, j$ `6 x2 Z
C. random early detection% n5 `9 X8 M$ L2 C4 y d
D. queue management algorithm
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* P0 @7 k& B9 J& k N+ R4 FAnswer : A
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+ V% {3 e" z5 [& uHttps://www.cisco.com/c/en/us/td ... re/guide/oaggnf.htm
& ]5 _$ Y+ M9 V- _Show ip flow export Field Descriptions
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$ A+ ~7 y; Q8 h6 |8 OField descriptio
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New Q’s I can remember:
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BGP question asking why BGP isn’t working and what needs to change:- j& W* ~# }/ B
A – Change to ibgp
5 L. C8 @ k' |# j' N% o: J- l9 YB – Change multihop to 1; w) D; T% \2 z0 y3 j. e7 A
Can’t remember other 2 answers.
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$ n/ q2 w) {8 U* dA slightly reworded question on Hub and Spoke asking why the spokes can’t see eachothers loopbacks:' [5 P- v$ f6 D' y1 G
A – disable split-horizon on HUB; i; ?8 _4 l9 ^: j% T. \. y
B – disable on spoke
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2-new question abour ebgb adjacency fail8 r7 |: Q. O# u3 }0 z% x1 Z
What will the router do when it receive packet with TTL 0?
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b3 M& S5 t7 jAnswer : Router will send ICMP message type 11 and code 0 (time exceeded) to the originator of the IP packet.5 ~7 R, z+ P! a t
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4-what nat type do overlap
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8 T2 i7 \, Z! S4 p: K6 tBGP question asking why BGP isn’t working and what needs to change:
' R, W4 n* n: T: F# i( gA – Change to ibgp4 D* G; Z3 u1 B5 N& r+ y9 K7 H
B – Change multihop to 12 N' f" e& e! Q4 v6 o
Can’t remember other 2 answers.+ x, V* {# n1 n( w7 i0 l+ @/ i
i/ n/ J9 i' a! m# q4 TA slightly reworded question on Hub and Spoke asking why the spokes can’t see eachothers loopbacks:
# E) {/ P' i# _/ v1 f7 l) s% pA – disable split-horizon on HUB- N& A5 Y1 s2 n" D2 n
B – disable on spoke) W6 |% p1 {. R. v9 @# S1 L
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When summarizing these routes, which route is the summarized route?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?A. global synchronizationB. tail dropC. random early detectionD. queue management algorithmAnswer : A
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! y ?9 y, w2 J( \An engineer has configured a router to use EUI-64, and was asked to document the IPv6 address of the router. The router has the following interface parameters:mac address C601.420F.0007subnet 2001 B8:0:1::/64Which IPv6 addresses should the engineer add to the documentation?A. 2001 B8:0:1:C601:42FF:FE0F:7B. 2001 B8:0:1:FFFF:C601:420F:7C. 2001 B8:0:1:FE80:C601:420F:7D. 2001 B8:0:1:C601:42FE:800F:7Refer to the exhibit.
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When summarizing these routes, which route is the summarized route?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?A. global synchronizationB. tail dropC. random early detectionD. queue management algorithmAnswer : A
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