LATIHAN SOAL MIKROTIK (MTCRE)

1. ARP diperlukan dalam komunikasi IP pada Tunnel L2TP (True/False)

2. Berapa banyak adjacencies yang terbentuk dalam subnet broadcast dengan DR dan BDR yang terdiri dari 13 router?

A. 23

B. 1

C. 78

D. 13

3. The ‘check-gateway’ option is enabled for one route. Select all statements that are true:

A. Gateway is checked every 10 seconds and after 2 failures, the gateway is considered unreachable

B. Check gateway option can be configured for Ping, ARP and RARP (reverse ARP)

C. In case of failure of the gateway, routes pointing to that gateway will become inactive

D. Gateway is checked every 10 seconds and after a single failure, the gateway is considered unreachable

4. Pilih pernyataan yang benar tentang server PPTP / PPPoE:

A. Server PPTP bisa diikat ke satu interface tunggal

B. Server PPPoE dapat dijangkau melalui semua interface yang aktif

C. Server PPPoE bisa diikat ke satu interface tunggal

D. Server PPTP dapat dijangkau di semua IP addresses

5. To securely bridge (Layer 2) together two remote networks the following methods can be used:

A. SSTP or L2TP/IPsec

B. SSTP with BCP or L2TP/IPsec with BCP

C. EoIP over SSTP or over L2TP/IPsec

D. IPIP with IPsec secret specified

E. EoIP with IPsec secret specified

6. Time To Live memungkinkan untuk diubah menggunakan Firewall Mangle (True/False)

7. Dalam kondisi apa Bridge Control Protocol (BCP) digunakan?

A. Untuk melewatkan frame ethernet Layer2 melalui interface PPP

B. Untuk menghubungkan interface WDS (dengan bridge)

C. Ketika membutuhkan bridged yang loop-free (sebagai pengganti Spanning Tree Protocol)

8. Berapa nilai Administrative Distance dari route protokol OSPF?

A. 120

B. 10

C. 20

D. 110

9. Periksa diagram berikut. Asumsikan semua konfigurasi yang dibutuhkan sudah dilakukan di R2 (proxy-arp dinonaktifkan). Agar suatu perangkat di LAN1 bisa berkomunikasi dengan perangkat di LAN2, konfigurasi manakah yang harus diaktifkan di R1?

A. /ip route add dst-address=192.168.1.0/24 src-address=192.168.0.0/24 gateway=192.168.99.2

B. /ip route add dst-address=0.0.0.0/0 gateway=192.168.99.2

C. /ip route add dst-address=192.168.1.0/24 gateway=192.168.99.2

D. /ip route add dst-address=0.0.0.0/0 gateway=ether1

E. /ip route add dst-address=192.168.0.0/24 gateway=192.168.0.1

10. Dalam konfigurasi interface OSPF, efek apa yang terjadi bila opsi passive=yes diterapkan pada interface tertentu?

A. Akan mencegah semua traffic OSPF yang melalui interface tersebut

B. Akan mencegah semua traffic yang melalui interface tersebut

C. Akan melakukan mirroring dari semua update routing ke interface tersebut

D. Akan mencegah rute melalui interface tersebut muncul di tabel routing

11. Route mana yang akan digunakan untuk mencapai 192.168.1.55?

/ip route

add disabled=no distance=1 dst-address=192.168.1.0/24 gateway=1.1.1.1 add disabled=no distance=1 dst-address=192.168.1.0/25 gateway=2.2.2.2 add disabled=no distance=1 dst-address=192.168.0.0/16 gateway=3.3.3.3

A. Melewati 2.2.2.2

B. Melewati 1.1.1.1

C. Melewati 3.3.3.3

12. Pengaturan di /ppp secret user akan menimpa setting /ppp profile (True/False)

13. Kita tidak dapat menggunakan protokol OSPF dan RIP secara bersamaan di RouterOS (True/False)

14. The OSPF network...

A. A->B->C->D dan D->C->B->A

B. A->E->D dan D->C->B->A

C. A->E->D dan D->E->A

D. A->B->C->E->D dan D->C->B->A

15. Berapa jumlah maksimum hop, sebelum jaringan akan dianggap tidak terjangkau di OSPF?

A. 15

B. 16

C. 99

D. Tidak terbatas

16. Target scope bisa digunakan untuk:

A. Untuk resolve nexthops yang tidak langsung terhubung ke router

B. Untuk mengkonfigurasi beberapa route dengan cost dan distance yang berbeda

C. Untuk membangun sebuah Sistem FailOver antara dua atau lebih gateway

17. Ada dua routing dalam daftar route:

0 dst-addr=10.1.1.0/24 gateway=5.5.5.5

1 dst-addr=10.1.1.4/30 gateway=5.6.6.6

Gateway manakah yang akan digunakan untuk mencapai alamat IP 10.1.1.6?

A. 5.5.5.5

B. 5.6.6.6

C. Dua-duanya, setengah trafik akan melewati satu gateaway

D. route tidak ada

18. Untuk menentukan suatu route-traffic tertentu harus didefinisikan dengan routing mark. Setiap paket hanya bisa mempunyai satu routing mark.

(True/False)

19. Saat mengirimkan ARP Request, sebuah host membutuhkan jawaban jenis tipe address apa?

A. MAC Address

B. 802.11g

C. IP address

D. VLAN ID

20. Ada 4 route dalam routing table. Host 10.10.10.10 tidak terjangkau.

1 dst-addr=0.0.0.0/0 gateway=11.11.11.11

1 dst-addr=20.20.20.0/24 gateway=10.10.10.10 check-gateway=ping

2 dst-addr=30.30.30.0/24 gateway=10.10.10.10

3 dst-addr=30.30.30.0/25 gateway=13.13.13.13 check-gateway=ping Gateway mana yang digunakan untuk menuju IP 30.30.30.145?

A. 13.13.13.13

B. tidak ada Paket ke host itu akan di drop sampan host 10.10.10.10 aktif kembali

C. 11.11.11.11

D 10.10.10.10

21. check-gateway=ping interval?

A. 60 detik

B. 10 detik

C. 30 detik

D. 20 detik

22. Pada tabel routing, terdapat entri sebagai berikut:

0 dst-address=10.0.0.0/24 gateway=10.1.5.126

1 dst-address=10.1.5.0/24 gateway=10.1.1.1

2 dst-address=10.1.0.0/24 gateway=25.1.1.1

3 dst-address=10.1.5.0/25 gateway=10.1.1.2

Gateway manakah yang akan digunakan untuk paket dengan tujuan 10.1.5.126?

A. 10.1.1.2

B. 25.1.1.1

C. 10.1.1.1

D. 10.1.5.126

23. Konfigurasi dalam Router /ip route:

/ip route add gateway=192.168.0.1

/ip route add dst-address=192.168.1.0/24 gateway=192.168.0.2

/ip route add dst-address=192.168.2.0/24 gateway=192.168.0.3

/ip route add dst-address=192.168.3.0/26 gateway=192.168.0.4

Router akan mengirim paket ke 192.168.3.240. Gateway manakah yang akan digunakan?

A. 192.168.0.2

B. 192.168.0.1

C. 192.168.0.3

D. 192.168.0.4

24. Consider two geographically separate sites. At each site, there is a RouterOS device. Ether1 is connected to the LAN and Ether2 is connected to the Internet. An EoIP tunnel is created between the two routers. And on both routers a Bridge interface with the EoIP tunnel and Ether1 as ports. 10 users are connected at site A and 30 users at site B. All users are configured to use a DHCP server to obtain IP address configuration.

What is the minimum number of DHCP servers needed?

A. 1 DHCP Server: 1 server on site A’s router, on Ether2

B. 2 DHCP Servers: 1 server on each router, on the EoIP interface

C. 2 DHCP Servers: 2 servers on site B’s router

D. 2 DHCP Servers: 1 server on each router, on the LAN interface

E. 1 DHCP Server: 1 server on site B’s router, on the Bridge interface

25. Gateway valid?

A. 192.168.100.1

B. ether1

C. 192.168.0.1

D. pppoe-out1

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

A. 10s

B. 20s

C. 30s

D. 60s

2. When sending out an ARP request, an IP host is expecting what kind of address for an answer?

A. 802.11g

B. IP address

C. VLAN ID

D. MAC Address

3. What is the maximum number of supported VLANs on a single ethernet interface in RouterOS:

A. 511

B. 63

C. 255

D. 4095

E. unlimited

4. The following command was issued:

> routing ospf route print

# DST-ADDRESS STATE COST GATEWAY INTERFACE

0 10.0.0.0/30	inter-area	10	172.16.0.1	ether1
1 10.0.0.0/30	inter-area	20	172.16.0.2	ether2
2 10.0.0.0/30	intra-area	30	172.16.0.3	ether3
3 10.0.0.0/30	intra-area	40	172.16.0.4	ether4

Assuming that elsewhere there are no problems, which gateway will be installed into the routing table as 'active'?

A. 172.16.0.2

B. 172.16.0.4

C. 172.16.0.1

D. 172.16.0.3

5. A network administrator checks the IP routing table (/ip route print) and notices that there are two different routes to the destination network 10.0.0.0/8. Each one has exactly one gateway and both are active (flag A). What could cause this behaviour?

A. One of the routes is of type 'Connected' and the other one is of type 'Static'

B. The administrator is using ECMP - (they have added 2 static routes to load balance with ECMP)

C. The routes have different 'routing-mark' parameters and belong to two different routing tables

D. One of the routes is of type 'Static' and one is from OSPF, but they have the same distance

6. RouterOS main routing table contains static, RIP, and OSPF routes destined to the same network. Which of the following routes will be used if the administrative distance of each of the routing protocol entries is set to their default values?

A. The OSPF route

B. The static route

C. All three will load balance

D. The RIP route

7. Which of the following are correct statements?

A. OSPF requires neighbor adjacencies before updates are sent

B. OSPF is not a link state protocol

C. If OSPF router ID is not set manually, then the lowest IP address configured on an active interface is used

D. Every OSPF area must connect with area 1

E. OSPF allows unequal cost load balancing

8. The 'check-gateway' option is enabled for one route. Select all statements that are true:

A. Check gateway option can be configured for Ping, ARP and RARP (reverse ARP)

B. Gateway is checked every 10 seconds and after 2 failures, the gateway is considered unreachable

C. In case of failure of the gateway, routes pointing to that gateway will become inactive

D. Gateway is checked every 10 seconds and after a single failure, the gateway is considered unreachable

9. Routing table has several routes with the same gateway. If 'check-gateway' is enabled for one of the routes, and the gateway becomes unreachable, then

A. all routes with the same gateway would become inactive

B. the 'check-gateway' feature would not work at all, since the same gateway is used for more than one route

C. only this one route would become inactive

10. Route with lower distance will be preferred over the route with higher distance even if the gateway is unreachable

True/False

11. To create a route to a different network, e.g. 192.168.0.0/24, which of the following can be used as a gateway from your network?

A. ether1 with a larger than /32 address space

B. 192.168.0.1

C. 192.168.100.1

D. ether1

12. Placing a single VLAN Tag onto an Ethernet frame adds extra information into the header. The increase in frame size is:

A. 4 bytes

B. 16 bits

C. 4 bits

D. 8 bits

13. Open Shortest Path First is a

A. Link state routing protocol

B. Distance vector routing protocol

C. Hybrid routing protocol

14. When is Bridge Control Protocol (BCP) used?

A. To bridge wireless WDS interfaces

B. To pass Layer 2 ethernet frames to PPP type interfaces

C. When a loop-free bridged network (a substitution for Spanning Tree protocols) is needed

15. There are two mangle rules:

0 chain=prerouting action=mark-routing new-routing-mark='aaa' passthrough=yes

1 chain=prerouting action=mark-routing new-routing-mark='bbb' passthrough=yes

What routing mark will the packet have after passing the forward chain?

A. 'bbb'

B. 'aaa' and 'bbb'

C. 'aaa'

D. 'aaabbb'

16. ARP is required for IP communication within an L2TP Tunnel. True/False

17. There are two PPPoE stages, Discovery and Session. True/False

18. If check-gateway=ping for a route is selected and the gateway does not respond to pings, how many seconds does it take for the router to disable the route?

A. 5s

B. It depends on network type on affected interface

C. 10s

D. 20s

19. Which route will be used to reach host 192.168.1.55?

/ip route

A. Route via gateway 3.3.3.3

B. Route via gateway 1.1.1.1

C. Route via gateway 2.2.2.2

20. There are two routes in the routing table:

0 dst-addr=10.1.1.0/24 gateway=5.5.5.5

1 dst-addr=10.1.1.4/30 gateway=5.6.6.6

Which gateway will be used to get to the IP address 10.1.1.6?

A. the required route is not in the routing table

B. 5.5.5.5

C. 5.6.6.6

D. both - half of the traffic will be routed through one gateway, half through the other

21. /ip route configuration on router,

/ip route add gateway=192.168.0.1

/ip route add dst-address=192.168.1.0/24 gateway=192.168.0.2

/ip route add dst-address=192.168.2.0/24 gateway=192.168.0.3

/ip route add dst-address=192.168.3.0/26 gateway=192.168.0.4

Router needs to send packets to 192.168.3.240. Which gateway will be used?

A. 192.168.0.2

B. 192.168.0.3

C. 192.168.0.4

D. 192.168.0.1

22. Consider the following diagram. Assuming that all the necessary configuration has already been done on R2 (proxy-arp is disabled), to communicate from a device on LAN1 to a device on LAN2, which of the following configurations on R1 would enable this?

A. /ip route add dst-address=0.0.0.0/0 gateway=Ether1

B. /ip route add dst-address=192.168.1.0/24 gateway=192.168.99.2

C. /ip route add dst-address=0.0.0.0/0 gateway=192.168.99.2

D. /ip route add dst-address=192.168.1.0/24 src-address=192.168.0.0/24 gateway=192.168.99.2

E. /ip route add dst-address=192.168.0.0/24 gateway=192.168.0.1

23. A routing table has following entries:

0 dst-address=10.0.0.0/24 gateway=10.1.5.126

1 dst-address=10.1.5.0/24 gateway=10.1.1.1

2 dst-address=10.1.0.0/24 gateway=25.1.1.1

3 dst-address=10.1.5.0/25 gateway=10.1.1.2

Which gateway will be used for a packet with destination address 10.1.5.126?

A. 25.1.1.1

B. 10.1.5.126