被称之为“发明之母”和“产业粮食”的技术是（)。A．信息技术B．生物技术C．能源技术D．新材料技术

A. The first DHCP client to connect to the FastEthernet 0/1 interface will receive the IP address 10.10.0.1.

B. DHCP requests received on the FastEthernet 0/1 interface will be forwarded to 10.0.0.2.

C. The first DHCP client to connect to the FastEthernet 0/0 interface will receive the IP a ddress 10.0.0.1

D. The first DHCP client to connect to the FastEthernet 0/0 interface will receive the IP address 10.0.0.6.

E. Hosts connected to the FastEthernet0/1 interface will not receive DHCP replies from the router.

A.Uponbootup，aporttransitionsfromblockingtoforwardingbecauseitassumesitselfasroot.

B.Uponbootup，aporttransitionsfromblockingtolisteningbecauseitassumesitselfasroot.

C.Uponbootup，aporttransitionsfromlisteningtoforwardingbecauseitassumesitselfasroot.

D.IfaforwardingportreceivesnoBPDUsbythemax_agetimelimit，itwilltransitiontolistening.

E.IfaforwardingportreceivesaninferiorBPDU，itwilltransitiontolistening.

F.IfablockedportreceivesnoBPDUsbythemax_agetimelimit，itwilltransitiontolistening.

per - address interface configuration command if the configuration has not been modified by the ip forward - protocol udp global con figuration command?（）

A. BOOTP

B. TFTP

C. ARP

D. DNS

E. proxy - ARP

F. FTP

xchanging routing information. The network design requires that R1 r eceive routing updates from R2, but not advertise any routes to R2. Which configuration command sequence will successfully accomplish this task? （）

A. R1(config)# router eigrp 1 R1(config - router)# passive - interface serial 0

B. R1(config)# access - list 2 0 deny any R1(config)# router eigrp 1 R1(config - router)# distribute - list 20 out serial 0

C. R2(config)# access - list 20 permit any R2(config)# router eigrp 1 R2(config - router)# distribute - list 20 in serial 0

D. R1(config)# access - list 20 permit any R 1(config)# router eigrp 1 R1(config - router)# distribute - list 20 in serial 0

E. R2(config)# access - list 20 deny any R2(config)# router eigrp 1 R2(config - router)# distribute - list 20 out serial 0

F. R2(config)# router eigrp 1 R2(config - router)# passive - interface serial 0

Inacustomer’snetwork，VLANTrunkingProtocol（VTP）isrunningwithadomainnamedmain1.VLANs1，2，3，4，5，10，20areactiveonthenetwork.Suddenlythewholenetworkgoesdown.NotrafficisbeingpassedonVLANs2，3，4，5，10，20，howevertrafficpassesonVLAN1andindicatesallswitchesareoperational.Rightbeforethenetworkproblemoccurred，aswitchnamedTEST1wasaddedtothenetwork.WhatthreeconfigurationissuesonTEST1couldbecausingthenetworkoutage？（）

A.TEST1isconfiguredasaVTPserverwithadifferentdomainname.

B.TEST1isnotconfiguredtoparticipateinVTP.

C.TEST1isconfiguredasaVTPserverwiththedomainnamemain1.

D.TEST1hasalowerVTPconfigurationrevisionthanthecurrentVTPrevision.

E.TEST1hasahigherVTPconfigurationrevisionthanthecurrentVTPrevision.

F.TEST1isconfiguredwithonlyVLAN1.

A．错误

B．正确

A. all interfaces in the path toward the destination

B. all networks in the path toward the destination

C. adjacent next hop router in the path toward the destination

D. all routers in the path toward the destination

E. all interfaces through which the packets can be routed

F. type of service and precedence in the IP packets

ed in the exhibit. Given the partial configuration of router R2, which network will be present in th e routing table of R4?（）

A. Network B

B. Network A and Network B

C. Network A

D. neither Network A nor Network B

A. L1 ES

B. L2 IS

C. L2 ES

D. L1 IS

E. L1/L2 IS

A. IS - IS is more CPU - intensive than is OSPF

B. For greater fine tuning there are more IS - IS timers

C. IS - IS LSP con tains TLV fields and OSPF LSU contains the LSAs

D. New additions to the protocol are easily implemented in OSPF but not with IS - IS

E. OSPF has more area types than does IS - IS