更多"Which of the following attacks occu"的相关试题:
[单项选择] Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression？（） [editpolicy-options] policy-statementreject_10 { from{ route-filter20.1.0.0/16orlongerM } then{ communityadd 90-1； accept }} policy-statementaccept_20 { from{ route-filter20.1.0.0/16orlongerM } then{ communityadd 100-1； reject； } } community100-1 members 100：1； community90-1 members 90：1 [editprotocols] bgp{ groupebgp-group { neighbor172.16.201.1 { export（reject-10 && accept-20）； }}}
A. The route is not announced.
B. The route is announced with 90：1 added.
C. The route is announced with 100：1 added.
D. The route is announced with communities 90：1 and 100：1 added.
[单项选择]Data encryption and decryption occurs at which layer of the OSI model?（）
A. Transport
B. Presentation
C. Session
D. Application
[单项选择]A zone transfer occurs over which of the following ports?（）
A. TCP 53
B. UDP 67
C. UDP 123
D. TCP 25
[单项选择] Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression？（） [editpolicy-options] policy-statementmy-filter { term-first{ from{ route-filter192.168.0.0/16orlongeraccept； route-filter 192.168.1.0/24 exact accept； route-filter 192.168.2.0/24 exact； } then{ metric10； accept； } termsecond { then{ metric20； accept； }} policy-statementmain { termchange-attributes from{ policymy-filter； } thenaccept； } termdefault { thenreject； }} [editprotocols] bgp{ exportmain； }
A. The route is not advertised into BGP
B. The route is advertised into BGP with metric 10.
C. The route is advertised into BGP with metric 20.
D. The route is advertised into BGP with default metric.
[单项选择]A Channel ID mismatch occurs when （）.
A. fibers are terminated incorrectly on a node
B. the channel number in the received K1 byte is not identical to the channel number transmitted in the K2 byte
C. the channel number in the received C1 byte is not identical to the channel number transmitted in the C2 byte
D. the channel number in the received C2 byte is not identical to the channel number transmitted in the C1 byte
E. the channel number in the received K2 byte is not identical to the channel number transmitted in the K1 byte
[单项选择]( )occurs when one business transmits computer-readable data in a standard format to another business.
A. EFT
B. VAN
C. EDI
D. WAN
[单项选择]Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）
A. The ERX router sends an Active Discovery Off ermessage.
B. The ERX router sendsan Active Discovery Initiation message.
C. The customer device sends an Active Discovery Offer message.
D. The customer device sends an Active Discovery Initiation message.
[单项选择]What occurs on a Frame Relay network when the CIR is exceeded?（）
A. All TCP traffic is marked discard eligible.
B. All UDP traffic is marked discard eligible and a BECN is sent.
C. All TCP traffic is marked discard eligible and a BECN is sent.
D. All traffic exceeding the CIR is marked discard eligible.
[单项选择]Which element occurs first during the first-packet-path processing?（）
A. destination NAT
B. forwarding lookup
C. route lookup
D. SCREEN options
[单项选择]Of the following steps, which occurs before the others in making a decision worksheet
A. Listing the consequences of each solution.
B. Calculating a numerical summary of each solution.
C. Deciding which consequences are most important.
D. Writing down all possible solutions.
[单项选择] The following output occurs on Router R2. Which of the following statements can be confirmed as true based on the output from R2?（） R2# show ip policy Interface Route map Fa0/0 RM1 Fa0/1 RM2 S0/0/0 RM3
A. R2 will forward all packets that enter Fa0/0 per the PBR configuration.
B. R2 will use route map RM2 when determining how to forward packets that exit interface Fa0/1.
C. R2 will consider using PBR for all packets exiting S0/0 /0 per route map RM3.
D. R2 will consider using PBR for all packets entering S0/0/0 per route map RM3.
[单项选择]Which of the following occurs during POST?（）
A. OS loads
B. Safe Mode starts
C. RAM check
D. MBR check
[单项选择] The following output occurs on Router R1. Which of the following cannot be determine d from this output?（） R1# show ip route 180.1.1.0 255.255.255.240 Routing entry for 180.1.1.0/28 Known via "bgp 2", distance 20, metric 0 Tag 3, type external Last update from 192.168.1.2 00:10:27 ago Routing Descriptor Blocks: * 192.168.1.2, from 19 2.168.1.2, 00:10:27 ago Route metric is 0, traffic share count is 1 AS Hops 2 Route tag 3
A. The type of BGP peer (iBGP or eBGP) that advertised this route to R1
B. R1's ASN
C. The next - hop router's ASN
D. The AS_Path length
[单项选择] The following output occurs on Router R1 , which runs both EIGRP for IPv6 and OSPFv3, with redistribution from EIGRP into OSPF configured with the redistribute eigrp 1 metric 25 command. Interface S0/0/1 has been enabled for EIGRP ASN 1. Which of the following should be true of redistribution in this case?（） D 2000::/64 [90/1422516] via FE80::213:19FF:FE7B:5026, Serial0/0/ 1 C 2000:0:0:1::/64 [0/0] via Serial0/0/1, directly connected L 2000::1:213:19FF:FE7B:5004/128 [0/0] via Serial0/0/1, receive
A. Route 2000::/64 will be redistributed.
B. Route 2 000:0:0:1::/64 will be redistributed.
C. Route 2000:1:213:19FF:FE7B:5004/128 will be redistributed.
D. No routes will be redistributed because of the omission of the subnets parameter of the redistribute command.
[多项选择]Which commands, when used together, would create an 802.1Q link?（）
A. Switch(vlan)# mode trunk
B. Switch(config)# switchport access mode trunk
C. Switch(config-if)# switchport mode trunk
D. Switch(config-if)# switchport trunk encapsulation dot1q
E. Switch(config)# switchport access mode 1
F. Switch(vlan)# trunk encapsulation dot1q
