11.Which command enables an EtherChannel bundle on a Catalyst 2900XL switch?
. A+ L& i4 x1 u, s: b. LA. Port group 4 y# b* u" i; I; K7 L2 P( s7 C
B. Set port channel on
6 V+ `0 d$ T- V% o5 c( DC. Port etherchannel enable 0 s2 g$ ?+ I2 V9 B# h
D. Set etherchannel port enable
% i2 m) b3 k4 J- {12.Which two statements about dynamic VLANs are true?
' F) `, g* X1 w& n/ U$ jA. Each switch port is assigned to a specific VLAN. $ G% f2 h; r% {( D4 f" x) m
B. Dynamic VLANs require a VLAN Membership Policy Server. 1 i/ g9 x: ^ Z( T6 X! }' d
C. Devices are in the same VLAN regardless of which port they attach to. R" q# u" ^8 h% p! a. j8 ^
D. Dynamic VLAN assignment are made through the command interface.
@6 Y4 V+ S, E F) F% H q% o' t13.Which statement is correct about 802.1Q trunking? 7 a; M1 s& g/ r" b) a& r* q
A. Both switches must be in the same VTP domain. - S( H5 G/ F) }8 `! Q9 G. b
B. The encapsulation type of both ends of the trunk does not have to match. ; }1 J( d9 ^/ K8 l) O! ]" n3 J5 J
C. The native VLAN on both ends of the trunk must be VLAN 1. 6 G8 T$ c F) h$ [ p! \: {
D. 802.1Q trunking can only be configured on a Layer 2 port.
. \, e+ W! I1 M/ W0 A5 hE. In 802.1Q trunking， all VLAN packets are tagged on the trunk link， except the # D9 g' o8 G8 R" P+ G& z. R' H9 `
native VLAN. (www．Examw.com)
9 J( g" u' g. x8 l# c6 Y, c3 z14.You need to take advantage of FastEthernet ports. Which two actions avoid
* _% C" p% J) x8 ~configuration problems that cause the port to be automatically disabled?
3 R* F+ J! l$ n. V5 CA. Allow some ports in a channel to be disabled.
1 \- |( A6 |$ h* C5 P }) V* d; UB. Configure the ports in a channel as dynamic VLAN ports. " \% w/ y4 g8 M
C. Configure all ports in a channel to operate at the same speed and duplex mode.
$ ^3 K% ]$ Z) Z! JD. Assign all ports in a channel to the same VLAN or configure them as trunk ports. @0 m- S3 j; Q2 c j& ?9 k0 V
15.What is the cause of jitter?
2 A" |+ _/ j" i X4 [$ r# KA. Variable queue delaysB. Packet 0drops $ W& W/ B/ L: f, `5 e$ g1 }
C. Transmitting too many small packetsD. Compression
, F; p. [8 j1 q# n+ k& x& w' h4 e6 Z- BCRAN
) V p& M& f: E* k16.Regarding DHCP， DHCP relay and DHCP server are mutually exclusive. ; m; k$ k: e7 o* A; M3 L% ~2 j
A. None of the choices. , R6 C" Q) Q% B2 d3 x8 Q
B. True
$ O9 V7 m7 G8 H0 O9 `C. False only for certain IOS version 3 @2 q4 B" n; v( d
D. False w) j; v1 O Y/ ^
E. False only for IOS version below V10
L7 X7 V3 `5 n2 r$ y) M$ s17.A LAPD Address field can be 1 or 2 bytes long. # l. z1 X& z- m% S& d( x- H" ]
A. TrueB. FalseC. True only in the US
7 j* y) d; R: x3 {' p# |; FD. True only in AsiaE. True only in Europe
, [9 w: ~1 e v% ~& A3 y9 H18.Which of the following are valid functions of the lock DTE modem attribute 9 _0 s m4 C8 p6 _, b5 J- j6 _
?
7 F% r: |# ?2 k+ R$ J) \+ K6 N& s; aA. Disable UART.
$ A. o+ C4 v# D( B' b% W# JB. Enable UART.
, t1 E$ F& P' h9 ^2 B- [; I% aC. Locks the data speed between the computer motherboard and the RS232 port. ' q) N$ @) ]) s* l( v
D. Locks the data speed between the modem and the DTE device. 19.Which of the following are not the valid types of ATM addresses (Choose |
发表于 2012-8-3 19:18:10
