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Answer updated on: 12 Feb 2020
It is used for type 1 router LSA Highest IP address of the loopback is usedOSPF LSA Type 1 (or Router LSA) is generated by all routers in an area to describe their directly attached links. An example below shows this type of LSA:
Answer updated on: 12 Feb 2020
One-to-nearest communication model The same address for multiple devices in the group Delivery of packets to the group interface that is closest to the sending device
Answer updated on: 12 Feb 2020
2031:0:130F::9C0:876A:130B Answer B is not correct because it has a letter G.
Answer C is not correct because it has a letter H.
Answer D is not correct because it has two ::.
Answer updated on: 12 Feb 2020
It identifies the source of Type 1 LSA The router automatically chooses the IP address of a loopback as the OSPF Router IDFrom the output of the “show ip ospf database”:
Answer updated on: 12 Feb 2020
A single interface may be assigned multiple IPV6 addresses of any type. Every IPV6 interface contains at least one loopback address.Leading zeros in IPv6 are optional do that 05C7 equals 5C7 and 0000 equals 0 -> D is not correct.
Answer updated on: 12 Feb 2020
A higher level of network security can be reached by separating sensitive data traffic from other network traffic. A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure. Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing their size.
Answer updated on: 12 Feb 2020
A backup route,stored in the topology tableFeasible successor is a route whose Advertised Distance is less than the Feasible Distance of the current best path. A feasible successor is a backup route, which is not stored in the routing table but stored in the topology table.
Answer updated on: 12 Feb 2020
Switch(config-if)switchport mode access
switch(config-if)switchport port-security maximum 1Port security is only used on access port (which connects to hosts) so we need to set that port to access mode, then we need to specify the maximum number of hosts which are allowed to connect to this port -> C is correct.
Note: If we want to allow a fixed MAC address to connect, use the switchport ...
Answer updated on: 12 Feb 2020
The sticky learning feature allows the addition of dynamically learned addresses to the running configuration. When dynamic mac address learning is enabled on an interface, the switch can learn new addresses up to the maximum defined.Follow these guidelines when configuring port security:
+ Port security can only be configured on static access ports, trunk ports, or 802.1Q tunnel ports. -> A is ...
Answer updated on: 12 Feb 2020
Configure IP address parameters from DHCP server to a host. Assign and renew IP address from the default pool.
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