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本帖最后由 小乔 于 2020-5-26 09:07 编辑
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) k6 Q) s0 }1 u/ ?1 A network engineer must create a diagram of a multivendor network.which command must
1 @" m! a1 A) U( e2 p8 o( fbe configured on the Cisco devices so that the topology of the network can be mapped?8 m/ X1 n3 _1 z+ n$ B
A Device(config)#lldp run
1 F# F- @! l5 y5 \B Device(config)#cdp run
( E4 V2 v G8 |! l- p( b& hC Device(config)# cdp enable# Q$ o j5 O: f; L y
D Device(config)# flow-sampler-map topology; G: ]' e; o7 B }8 E4 n9 z9 E; ]
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2 How do TCP and UDP differ in the way they provide reliability for delivery of packets?( ?9 ]% } M6 f/ \+ a) K
A TCP does not guarantee delivery or error checking to ensure that there is no corruption of data;' _- Q4 \& ]! t' M
UDP provides message acknowledgement and retransmits data if lost.& X% x" v) k& {9 g. f; N( i
B TCP provides flow control to avoid overwhelming a receiver by sending too many packets at
! z6 R2 k! V4 ]! V) lonce; UDP sends packets to the receiver in a continuous stream without checking for sequencing.8 |6 A2 ]# j4 o% X4 e
C TCP uses windowing to deliver packets reliably; UDP provides reliable message transfer
- o5 e# O u4 m9 g. w$ }5 Xbetween hosts by establishing a three-way handshake.
3 q: f+ y( d. |! ?$ e! E* b# AD TCP is a connectionless protocol that does not provide reliable delivery of data; UDP is a
& J' s0 R+ R, p3 Aconnection-oriented protocol that uses sequencing to provide reliable delivery." Z3 |. |, |! m. h! {
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$ k, |5 V; U! U3 which command must be entered when a device is configured as an NTP server?: }" c4 C9 R3 j* P* B
A ntp master
2 S' S2 j' x. Q6 r" T3 l) gB ntp sever
0 `+ K2 R6 W5 ^$ W) |C ntp authenticate e z) _: u! F1 B- r
D ntp peer
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. m; U. M I3 D3 t4 which two minimum parameters must be configured on an active interface to enable OSPFv2% A3 i: l' B+ w- I3 Y2 C/ k
to operate?(choose two)
3 j# n4 S6 u3 n GA IPv6 address' d$ E/ X& B5 r
B OSPF process ID
( [+ y/ z" r# k' b" e5 nC OSPF MD5 authentication key
( T# H h1 y$ a/ dD OSPF stub flag+ G. ~4 _3 x. g
E OSPF area$ h3 G0 p: I5 W7 E6 ?# X' i# C
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: f( u' W) B7 q/ r: Z4 N5 What are two roles of the Dynamic Host Configuration Protocol (DHCP)? (Choose two.)
+ D0 g; I: {. l# Q# \, qA The DHCP client maintains a pool of IP addresses it can assign.
8 a. k% D4 U/ w& R6 tB The DHCP server assigns IP addresses without requiring the client to renew them.
% |& K3 H) c+ o f VC The DHCP client can request up to four DNS server addresses.
; {; r* d1 @7 D+ v( A; VD The DHCP server offers the ability to exclude specific IP addresses from a pool of IP addresses
: c9 C' G% W7 o( T6 Z# mE The DHCP server leases client IP addresses dynamically% G# u3 m. Q6 y$ \# r. w( ^
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来源: CCNA（200-301）近期考试新题02 |
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