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You need to decide on the best router redundancy protocol to use in the Company network. Which two statements are true about HSRP， VRRP， and GLBP？（）
A . GLBP and VRRP allow for MD5 authentication， whereas HSRP does not.
B . HSRP allows for multiple upstream active links being simultaneously used， whereas GLBP does not.
C . GLBP allows for router load balancing of traffic from a network segment without the different host IP configurations required to achieve the same results with HSRP.
D . Unlike HSRP and VRRP， GLBP allows automatic selection and simultaneous use of multiple available gateways.
E . GLBP allows for router load balancing of traffic from a network segment by utilizing the creation of multiple standby groups.
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R1 and R2 exchange HSRP between each other in the Company network. In which three HSRP states do routers send hello messages？（）
A . Learn
B . Speak
C . Standby
D . Listen
E . Active
F . Remove
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What is the most efficient summarization that R1 can use to advertise its networks to R2（）。
A . 172.1.0.0/22
B . 172.1.0.0/21
C . 172.1.4.0/22
D . 172.1.4.0/24 172.1.5.0/24 172.1.6.0/24 172.1.7.0/24
E . 172.1.4.0/25 172.1.4.128/25 172.1.5.0/24 172.1.6.0/24 172.1.7.0/24
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You have configured router R1 with HSRP， using the standard defaults. Which three statements are true of a default HSRP configuration？（）
A . The Standby hello time is 2 seconds.
B . Two HSRP groups are configured.
C . The Standby track interface priority is 10.
D . The Standby hold time is 10 seconds
E . The Standby priority is 100.
F . The Standby delay is 3 seconds.
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Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）
A . Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.
B . R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.
C . R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.
D . All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.
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When implementing 802.1X on Teleworker routers and using separate DHCP address pools for Teleworker and Home-user devices, traffic between devices can be restricted. How can you best accomplish this?（）
A . Access Lists between the inside interface and loopback interface
B . Context Based Access Control
C . Dynamic Host Configuration Protocol
D . Network Address translatio
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Which series of commands will configure router R1 for LAN-to-LAN communication with router R2？ The enterprise network address is 192.1.1.0/24 and the routing protocol in use is RIP.（）https://assets.asklib.com/images/image2/2018072315342863428.jpg
A . R1（config）# interface ethernet 0；R1（config-if）# ip address 192.1.1.129 255.255.255.192；R1（config-if）# no shutdown
B . R1（config）# interface ethernet 0；R1（config-if）# ip address 192.1.1.97 255.255.255.192；R1（config-if）# no shutdown
C . R1（config）# interface serial 0；R1（config-if）# ip address 192.1.1.4 255.255.255.252；R1（config-if）# clock rate 56000
D . R1（config）# interface serial 0；R1（config-if）# ip address 192.1.1.6 255.255.255.252；R1（config-if）# no shutdown
E . R1（config）# router rip；R1（config-router）# network 192.1.1.4；R1（config-router）# network 192.1.1.128
F . R1（config）# router rip；R1（config-router）# version 2；R1（config-router）# network 192.1.1.0
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R1 and R2 are switches that communicate via VTP. What is the default VTP advertisement intervals in Catalyst switches that are in server or client mode？（）
A . 30 seconds
B . 5 minutes
C . 1 minute
D . 10 seconds
E . 5 seconds
F . None of the other alternatives apply
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Which of the following is an easy-to-use tool that allows you to easily configure and monitor Cisco Integrated Services Routers?（）
A . Cisco NAC Appliance
B . Cisco SDM
C . Cisco MWAM
D . Cisco Unified Communications Manager Expre
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Refer to the exhibit. Routers R1 and R2 are running EIGRP and have converged. On the basis of the information that is presented, which statement is true? （）https://assets.asklib.com/images/image2/2018073011042561240.jpg
A . Both outgoing and incoming routing updates on R1 will be permitted because the d istribute - list 20 out Serial0/0 command cannot be used with association with the outgoing interface.
B . All incoming routing updates from R2 will be suppressed, but the outgoing updates will continue to be sent.
C . Both outgoing and incoming routing up dates on R1 will be stopped because of the passive - interface Serial0/0 configuration statement.
D . All outgoing routing updates from router R1 to router R2 will be suppressed, but the inbound updates will continue to be received.
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When HSRP is configured on a network, which two of these items are provided, which are sharedbetween the routers that run HSRP? （）(Choose two.)
A . TCP-based hello packets
B . the impact of flapping links if timers are too low
C . a shared single interface
D . the ability to track serial interfaces
E . UDP-based hello packet
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Refer to the exhibit. OSPF is configured on all routers in the network. On the basis of the show ip ospf n eighbor output, what prevents R1 from establishing a full adjacency with R2? （）https://assets.asklib.com/images/image2/2018073015404016990.jpg
A . Router R1 will only establish full adjacency with the DR and BDR on broadcast multi- access networks.
B . Router R2 has been elected as a DR for the broadcast multiaccess network in OSPF area 1.
C . Routers R1 and R2 are configured as stub routers for OSPF area 1 and OSPF area 2.
D . Router R1 and R2 are configured for a virtual link between OSPF area 1 and OSPF area 2.
E . The Hello parameters on routers R1 and R2 do not m atch.
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When HSRP is configured on a network, which two of these items are provided, which are shared between the routers that run HSRP ?（） (choose two)
A . Shared single interface
B . IP Address
C . TCP-based hello packets
D . MAC addre
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Router R1, in ASN 11, learns a BGP route from BGP peer R22 in ASN 22. R1 and then uses BGP to advertise the route to R2, also in ASN 11. What ASNs would you see in the BGP table on R2 for this route?（）
A . 22
B . 11
C . 1
D . None
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R1 in ASN 1 with loopback1 address 1.1.1.1 needs to be configured with an iBGP connection to R2 with loopback2 IP address 2.2.2.2. The connection should use the loopbacks. Which o f the following commands is required on R1?（）
A . neighbor 1.1.1.1 remote- as 1
B . neighbor 2.2.2.2 remote- as 2
C . neighbor 2.2.2.2 update - source loopback1
D . neighbor 2.2.2.2 ibgp -multihop 2
E . neighbor 2.2.2.2 ibgp - mode
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Router R1 is configured for HSRP. Which of the following are valid HSRP states on R1？ （）
A . Init
B . Idle
C . Active
D . Standby
E . Established
F . Backu
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Routers can send hello messages in three HSRP states. Which ones are they？（）
A . Standby
B . Learn
C . Listen
D . Speak
E . Active
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Routers R1 and R2 are EIGRP neighbors. R1 has been configured with the eigrp stub connected command. Which of the following is true as a result？（）
A . R1 can learn EIGRP routes from R2, but R2 cannot learn EIGRP routes from R1
B . R1 can send IP packets to R2, but R2 cannot send IP packets to R1
C . R2 no longer learns EIGRP routes from R1 for routes not connected to R1
D . R1 no longer replies to R2's Query messages
E . R2n o longer sends to R1 Query message
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S0/0 on R1 is configured as a multipoint interface to communicate with R2 and R3 in the hub-and-spoke Frame Relay topology shown in the exhibit. Originally, static routes were configured between these routers to successfully route traffic between the attached networks. What will need to be done in order to use RIPv2 in place of the static routes？（）
<img src='https://img2.soutiyun.com/shangxueba/ask/64407001-64410000/64409000/17b75ef15006e963a847746eb8ec9a38.png' />
A.Configure the no ip subnet-zero command on R1, R2, and R3.
B.Dynamic routing protocols such as RIPv2 cannot be used across Frame Relay networks.
C.Configure the S0/0 interface on R1 as two subinterfaces and configure point-to-point links to R2 and R3.
D.Change the 172.16.2.0/25 and 172.16.2.128/25 subnetworks so that at least two bits are borrowed from the last octet.
E.Change the network address configuration to eliminate the discontiguous 172.16.2.0/25 and 172.16.2.128/25 subnetwork.
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Refer to the exhibit. EIGRP is configured with the default configuration on all routers. Auto summariz ation is enabled on routers R2 and R3, but it is disabled on router R1.Which two EIGRP routes will be seen in the routing table of router R3？（）
<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/c0432bed5e96b27cf201162a3a16be20.png' />
A. 10.0.0.0/8
B. 172.16.10.0/24
C. 172.16.0.0/24
D. 10.10.10.0/24
E. 172.16.0.0/16
F. 10.10.0.0/16
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R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands.Which of the following is true in this case？（）
A. The show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.
B. The show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.
C. The show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.
D. T he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.
E. The show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.
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Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces （respectively), cu
Routers R1 and R2, OSPF neighbors in area 0 over their Fa0/0 interfaces (respectively), currently both successfully use OSPF MD5 authentication. The OSPF configuration includes the area 0 authentication command under the router ospf 1 command.Which of the following commands must have been configur ed on R1‘s Fa0/0 interface？（）
A. ip ospf authentication null
B. ip ospf authentication message - digest
C. ip ospf authentication -key whatever- it - is
D. ip ospf message - digest - key 1 md5 whatever - it - is
E. ip ospf md5 1 key whatever - it - is
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有以下程序：include＜iostream＞using namespace std;{public:TestClass（int r1,int r2){R1=r1;R2
有以下程序： include＜iostream＞ using namespace std; { public: TestClass(int r1,int r2) { R1=r1; R2=r2; } void print(); void print() const; private; int R1,R2; }; void TestClass::print() { cout＜＜R1＜＜","＜＜R2＜＜end1; } void Testclass::print() const cout＜＜R1＜＜＜＜","＜＜R2＜＜end1; } int main() { TestClass a(5,4); const TestClass b(20,52); b.print(); return 0; } 执行后的输出结果是()。
A．5，4
B．20，52
C．0，0
D．4，5
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已知ARM处理器R1＝0x12345678, R2=0xFF008899，则执行指令AND R0,R1,R2后，寄存器R0＝（）___________________。
