Mikrotik MTCRE-06

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Questions and Answers

/ip route can have DS flags simultaneously.

False (B)

When using routing option 'check-gateway=ping' what is the ICMP echo request interval (in seconds)?

  • 60s
  • 20s
  • 30s
  • 10s (correct)

In OSPF interface configuration what effect will a “passive=yes” option have on a specific interface ?

  • It will prevent all traffic through that interface
  • It will prevent all OSPF traffic through that interface (correct)
  • It will prevent routes learned through the interface from being listed in the routing table
  • It will action a mirroring of all routing upgrades to that interface

If one of two gateways is unreachable in an ECMP route with check gateway set, 50% of packets will be lost .

<p>False (B)</p> Signup and view all the answers

There is no way to establish OSPF adjacency when the link doesn't support multicast traffic

<p>False (B)</p> Signup and view all the answers

To assign specific traffic to a route – traffic must be identified by a routing mark. Each packet can only have one routing mark.

<p>False (B)</p> Signup and view all the answers

In case it is not administratively defined, how is OSPF Router ID determined?

<p>The lowest IP address of any interface on the router. (D)</p> Signup and view all the answers

It is possible to create a configuration where VLAN and PPTP interfaces are bridged together.

<p>False (B)</p> Signup and view all the answers

Which routing table is used to apply recursive routing at MikroTik RouterOS

<p>It is only possible in the main routing table (C)</p> Signup and view all the answers

Which static-route rule will have priority for destination 192.168.0.18?

<p>dst-address=192.168.0.0/26 gateway=192.168.2.1 distance=2 (C)</p> Signup and view all the answers

Flashcards

DS flags in /ip route

Simultaneous DS flags are not possible in /ip route.

ICMP echo request interval (check-gateway=ping)

The ICMP echo request interval is 10 seconds when using the 'check-gateway=ping' routing option.

OSPF passive interface effect

The 'passive=yes' option on an OSPF interface prevents OSPF traffic from passing through that interface.

ECMP gateway unavailability and packet loss

If one gateway fails in an ECMP route with gateway checking , packet loss will not be 50%.

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OSPF adjacency and multicast

OSPF adjacency can be established even if the link doesn't support multicast.

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Multiple routing marks per packet

Each packet can have only one routing mark.

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OSPF router ID default

If not configured, OSPF router ID is the lowest IP address of any interface.

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VLAN and PPTP bridging

VLAN and PPTP interfaces cannot be bridged.

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Recursive routing table (MikroTik)

Recursive routing in MikroTik RouterOS only happens in the main routing table.

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Static route priority (destination 192.168.0.18)

The static route with dst-address=192.168.0.0/24, gateway=192.168.3.1, and distance=1 has the highest priority for 192.168.0.18.

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