单选题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？（）A30 secondsB5 minutesC1 minuteD10 secondsE5 secondsFNone of the other alternatives apply
单选题
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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有以下程序:includeusing 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．5，4B．20，52C．0，0D．4，5
Refer to the exhibit. R1 and R2 have been configured to share routing information via EIGRP. What will be the result of the configuration section shown for R2? () A. Any routes learned by R2 from the interface tied to the 172.16.0.0 network will not be advertised to neighbors on the 192.168.2.0 network.B. Only routes learned by R2 from the interface tied to the 172.16.0.0 network will be advertised to neighbors on the 192.168.2.0 network.C. Only the 172.16.0.0 network will be advertised to neighbors on the 192.168.2.0 network.D. All networks, except the 172.16.0.0 network will be advertised to neighbors on the 192.168.2.0 network .
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? () 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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r1 is the hub ， multipoint mode subinterface， r2 and r3 is spoke， when r2 down at the spoke， What will r1 react？how about r3？
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极性最大的是（）A、R1=β-D-洋地黄毒糖-β-D葡萄糖，R2=甲基B、R1=氢，R2=醛基C、R1=α-L鼠李糖，R2=醛基D、R1=α-L鼠李糖-β-D葡萄糖，R2=甲基E、R1=氢，R2=甲基
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问答题r1 is the hub ， multipoint mode subinterface， r2 and r3 is spoke， when r2 down at the spoke， What will r1 react？how about r3？
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