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NOVA TERBARU
No. 1036 Thn. XVIII


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Tiga Diva di Tahun Baru

Di penghujung 2007, Tiga Diva, kembali membuat gebrakan. Tampil di acara Tahun Baru >>>



Gairah Film Indonesia

Film Indonesia sedang bergairah. Kini, hampir tiap minggu muncul film baru. Di tahun 2007 >>>

Gita Gutawa >>>

Bencana Longsor Di Karanganyar >>>

HAMPARAN ”EMAS HIJAU” JADI LAUTAN LUMPUR >>>


Bursa Klub Nova
Ingin melakukan jual beli online ? Klub Nova menyediakan tempat tinggal daftar dan online dilihat oleh netter lain. >>>

Agenda
Untuk anda yang memiliki acara dan ingin disebarluaskan. Di sini tempatnya. Buruan manfaatkan fasilitas gratis ini. >>>



POLLING TAMPILAN NOVA
Di Sini Suara Anda Menentukan! Pilih yang Anda Anda harapkan. Satu pilihan Anda sangat berarti bagi kami. >>>

Forum
Di sini Anda bisa bertukar pikiran sengan sesama netter. Boleh ngomongin permasalahan keluarga atau sekadar tukar-menukar resep. Yuk... kita berdiskusi >>>



CHIC DI SORE HARI

Anda kerap menggelar pesta sore hari di rumah? Untuk kesempatan seperti ini tentu >>>


TEMAN BARBEQUE

Barbeque selalu hadir setiap pesta tahun baru. Yuk, kita coba resep serba panggang berikut >>>




6 CARA MENGATASI EMOSI DI KANTOR
Dalam urusan kerja, emosi bak dua sisi mata uang. Di satu sisi, emosi dapat membantu kita >>>

YANG SOPAN, YA, SAYANG
Mengajari anak-anak tata krama butuh usaha tersendiri, dan harus dimulai sedini mungkin. >>>

IH, SI KECIL BERKUTU!
Makin tambah usia Si Kecil, akan tambah pula kegiatannya. Banyak bertemu orang, >>>












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CCNA3

1What does OSPF use to reduce the number of exchanges of routing information in networks where large numbers of neighbors are present? (Choose two.)

root router

backup root router

domain router

backup domain router

designated router

backup designated router


2Which command sequence will enable OSPF in the backbone area for the two Ethernet links on RouterA?

RouterA(config)# router ospf 1
RouterA(config-router)# network 172.16.4.0 0.0.1.255 area 1

RouterA(config)# router ospf 10
RouterA(config-router)# network 172.16.4.0 0.0.0.255 area 0
RouterA(config-router)# network 172.16.5.0 0.0.0.255 area 0

RouterA(config)# router ospf 10
RouterA(config-router)# area 0 network 172.16.4.0 0.0.1.255

RouterA(config)# router ospf 0
RouterA(config-route)# network 172.16.4.0 0.0.255.255 area 0

RouterA(config)# router ospf 0
RouterA(config-router)# network 172.16.4.0 255.255.255.0
RouterA(config-router)# network 172.16.5.0 255.255.255.0

RouterA(config)# router ospf 1
RouterA(config-router)# network 172.16.4.0 255.255.254.0 area 0

3 Which of the following are disadvantages of link-state routing? (Choose three.)

Link-state protocols require careful network design.

Link-state protocols are prone to routing loops.

Link-state hello updates can cause broadcast flooding.

Link-state protocols place significant demands on router processors and memory resources.

Link-state protocols require a knowledgeable network administrator.

Link-state protocols do not support Variable Length Subnet Masking.

4Which router command will display the interface priority value and other key information for the OSPF configuration of the serial 0 interface?

router# show ospf serial 0

router# show interface serial 0 OSPF

router# show ip interface serial 0

router# show ip ospf interface serial 0


5
In which types of networks are OSPF DR elections necessary? (Choose two.)

point-to-point

point-to-multipoint

broadcast multiaccess

nonbroadcast multiaccess

6Which of the following should be considered when troubleshooting a problem with the establishment of neighbor relationships between OSPF routers? (Choose three.)

OSPF interval timers mismatch

gateway of last resort not redistributed

interface network type mismatch

no loopback interface configured

administrative distance mismatch

inconsistent authentication configuration

7.Why is it difficult for routing loops to occur in networks that use link-state routing?

Each router builds a simple view of the network based on hop count.

Routers flood the network with LSAs to discover routing loops.

Each router builds a complete and synchronized view of the network.

Routers use hold-down timers to prevent routing loops.


8.What will be the result of the DR and BDR elections for this single area OSPF network? (Choose three.)

HQ will be DR for 10.4.0.0/16.

Router A will be DR for 10.4.0.0/16.

HQ will be BDR for 10.4.0.0/16.

Router A will be DR for 10.5.0.0/16.

Remote will be DR for 10.5.0.0/16.

Remote will be BDR for 10.5.0.0/16.


9.What information can be obtained from the output of the show ip ospf interface command? (Choose three.)

link-state age intervals

timer intervals

router ID number

link-state update intervals

neighbor adjacencies



10
What are the benefits of the hierarchical design approach that is used in large OSPF networks? (Choose three.)

reduction of routing overhead

increased routing overhead

faster convergence

slower convergence

distribution of network instability to all areas of the network

isolation of network instability to one area of the network

11.RouterA, RouterB, and RouterC in the diagram are running OSPF on their Ethernet interfaces. Loopback interfaces (Lo 0) are configured as shown. What happens when RouterD is added to the network?

RouterB takes over as DR and RouterD becomes the BDR.

RouterD becomes the BDR and RouterA remains the DR.

RouterD becomes the DR and RouterA becomes the BDR.

RouterC acts as the DR until the election process is complete.

RouterD becomes the DR and RouterB remains the BDR.

There is no change in the DR or BDR until either current DR or BDR goes down.


12.Refer to the network shown in the diagram. Which command sequence on RouterB will redistribute a Gateway of Last Resort to the other routers in OSPF area 0?

RouterB(config)# router ospf 10
RouterB(config-router)# gateway-of-last-resort 172.16.6.6

RouterB(config)# ip route 0.0.0.0 0.0.0.0 serial 0

RouterB(config)# ip route 0.0.0.0 0.0.0.0 172.16.6.6
RouterB(config)# router ospf 10
RouterB(config-router)# default-information originate

RouterB(config)# router ospf 10
RouterB(config-router)# default network 172.16.6.6 0.0.0.3 area 0

RouterB(config)# ip route 0.0.0.0 0.0.0.0 172.16.6.6

RouterB(config)# ip default-route 0.0.0.0 0.0.0.0 172.16.6.6
RouterB(config)# router ospf 10
RouterB(config-router)# redistribute ip default-route


13.What does OSPF use to calculate the cost to a destination network?

bandwidth

bandwidth and hop count

bandwidth and reliability

bandwidth, load, and reliablity

14.Which router is the root of an SPF tree?

border router

nearest neighboring router

local router

trunk router, as determined by the SPF algorithm

15.What speeds up convergence in a network using link-state routing?

updates triggered by network changes

updates sent at regular intervals

updates sent only to directly connected neighbors

updates that include complete routing tables


Which of the following are required when adding a network to the OSPF routing process configuration? (Choose three.)

network address

loopback address

autonomous system number

subnet mask

wildcard mask

area ID

17.How can the OSPF cost for a link be established? (Choose two.)

It is set to 1544 by default for all OSPF interfaces.

It can be set with the ip ospf cost command.

The configured loopback addresses map to link costs.

It is calculated proportionally to observed throughput capacity of the router.

It may be calculated using the formula 108/bandwidth.

18.Because of security concerns, a network administrator wants to set up authentication between two routers. Which of the following commands will configure Router_A to trust Router_B with a clear text password of apollo?

Router_A(config-if)# ospf authentication-key apollo

Router_A(config-if)# ip authentication-key apollo

Router_A(config-if)# ip ospf authentication apollo

Router_A(config-if)# ip ospf authentication-key apollo


19.The routers in the diagram are configured as shown. The loopback interface on router R1 is labeled as lo0. All OSPF priorities are set to the default except for Ethernet0 of router R2, which has an OSPF priority of 2. What will be the result of the OSPF DR/BDR elections on the 192.1.1.0 network? (Choose two.)

R1 will be the DR

R1 will be the BDR

R2 will be the DR

R2 will be the BDR

R3 will be the DR

R3 will be the BDR


20.A network administrator has configured a default route on Router_A but it is not being shared with adjacent Router_B and the other routers in the OSPF area. Which command will save the administrator the time and trouble of configuring this default route on Router_B and all of the other routers in the OSPF area?

Router_A(config-router)# ospf redistribute default-route

Router_B(config-router)# ospf redistribute default-route

Router_A(config-router)# default-information originate

Router_B(config-router)# default-information originate

Router_A(config-router)# ip ospf update-default

Router_B(config-router)# ip ospf update-default



21.In your opinion (this has no bearing on your grade), please rate your motivation to do well in this course:







22In your opinion (this has no bearing on your grade), please indicate how enthusiastic you are about the content of this course and the things you’re learning (or have learned):







23











In your opinion (this has no bearing on your grade), please indicate your interest in this course:

anak sehat

NAK SEHAT, ANAK BAHAGIA

Sabtu (18/06) lalu, bertempat di Hotel Grand Mahakam, Jakarta, diadakan diskusi tentang perkembangan anak dan nutrisi seimbang untuk anak, yang disponsori Tabloid Nakita dan Sustagen. Acara dipandu Monica Desideria dan menghadirkan pembicara Dr. Tinuk Agung Meilany, MD dan psikolog Agustina Hendriati, Psi.
KLIK - Detail
"Asupan gizi bagi balita harus disesuaikan dengan pertumbuhan, aktivitas fisik, ukuran badan, dan lain-lain. Nutrisi seimbang tak hanya dengan makanan bergizi semata, tapi juga harus dengan suasana makan yang menyenangkan agar anak merasa nyaman," ujar Tinuk. Suasana menyenangkan ini antara lain jadwal makan yang teratur, snack sebelum dan sesudah makan, sendok dan gelas sesuai selera anak, serta menu baru yang menarik.

Sementara Agustina menekankan, anak sehat belum tentu bahagia. Ciri anak yang sehat dan bahagia antara lain, "Kulit dan rambut bersinar, mata cerah, aktivitas fisik memadai, tidur nyenyak, nafsu makan memadai, tidak sering uring-uringan, gampang senyum, dan masih banyak lagi." Kesimpulannya, "Orang tua harus peka dan responsif terhadap perkembangan anak. Jangan lupa, tunjukkan penghargaan dan pengakuan terhadap anak secara verbal maupun non-verbal."



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CNAA3

Which of the following statements are true regarding RIP v1

1
How often does RIP v1 send routing table updates, by default?

every 30 seconds

every 45 seconds

every 60 seconds

every 90 seconds



2
What does VLSM allow a network administrator to do?

utilize one subnet mask throughout an autonomous system

utilize multiple subnet masks in the same IP address space

utilize IGRP as the routing protocol in an entire autonomous system

utilize multiple routing protocols within an autonomous system



3
Which of the following are contained in the routing updates of classless routing protocols? (Choose two.)

32-bit address

next hop router interface

subnet mask

unicast host address

Layer 2 address



4



Router1 and Router2 shown in the topology have been configured with the no ip subnet-zero command. Which of the following valid VLSM network numbers could be used for the serial link between Router1 and Router2? (Choose two.)

192.168.1.0/30

192.168.1.4/30

192.168.1.8/30

192.168.1.96/30

192.168.1.138/30

192.168.1.190/30











5
A new network is to be configured on a router. Which of the following tasks must be completed to configure this interface and implement dynamic IP routing for the new network? (Choose three.)

Select the routing protocol to be configured.

Assign an IP address and subnet mask to the interface.

Update the ip host configuration information with the device name and new interface IP address.

Configure the routing protocol with the new network IP address.

Configure the routing protocol with the new interface IP address and subnet mask.

Configure the routing protocol in use on all other enterprise routers with the new network information.



6
Which of the following statements are true regarding RIP v1 and v2? (Choose three.)

Both RIP versions use hop count.

Both RIP versions can provide authentication of update sources.

Both RIP versions use 16 hops as a metric for infinite distance.

RIP v1 uses split horizon to prevent routing loops while RIP v2 does not.

RIP v1 uses hold-down times to prevent routing loops while RIP v2 does not.

RIP v1 broadcasts routing table updates, while RIP v2 multicasts its updates.



7
Which command would a network administrator use to determine if the routers in an enterprise have learned about a newly added network?

router# show ip address

router# show ip route

router# show ip networks

router# show ip interface brief

router# debug ip protocol

router# debug rip update



8
How does a router know of paths to destination networks? (Choose two.)

inspection of the destination IP address in data packets

ARP requests from connected routers

manual configuration of routes

updates from other routers

DHCP information broadcasts

updates from the SMTP management information base



9



The network shown in the diagram is having problems routing traffic. It is suspected that the problem is with the addressing scheme. What is the problem with the addressing used in the topology?

The address assigned to the Ethernet0 interface of Router1 is a broadcast address for that subnetwork.

The subnetwork configured on the serial link between Router1 and Router2 overlaps with the subnetwork assigned to Ethernet0 of Router3.

The subnetwork assigned to the Serial0 interface of Router1 is on a different subnetwork from the address for Serial0 of Router2.

The subnetwork assigned to Ethernet0 of Router2 overlaps with the subnetwork assigned to Ethernet0 of Router3.



10



The routers in the diagram use the subnet assignments shown. What is the most efficient route summary that can be configured on Router3 to advertise the internal networks to the cloud?

192.1.1.0/26 and 192.1.1.64/27

192.1.1.128/25

192.1.1.0/23 and 192.1.1.64/23

192.1.1.0/24

192.1.1.0/25

192.1.1.0/24 and 192.1.1.64/24



11
What is the purpose of the network command used in the configuration of the RIP routing protocol?

It specifies RIP v2 as the routing protocol.

It enables the use of VLSM.

It specifies the fastest path to the destination route.

It specifies which interfaces will exchange RIP routing updates.

It activates RIP for all routes that exist within the enterprise network.



12



Refer to the network shown. How will Router1 summarize and advertise the four networks attached to its Ethernet ports?

172.16.16.0/20

172.16.19.0/20

172.16.16.0/20 and 172.16.19.0/20

172.16.16.0/22

172.16.18.0/24

172.16.0.0/24



13



In the network shown in the graphic, three bits were borrowed from the host portion of a Class C address. How many valid host addresses will be unused on the three point-to-point links combined if VLSM is not used?

3

4

12

36

84

180



14
A Class C network address has been subnetted into eight subnetworks. Using VLSM, the last subnet will be divided into eight smaller subnetworks. What bit mask must be used to create eight smaller subnetworks, each having two usable host addresses?

/26

/27

/28

/29

/30

/31



15



A Class C address has been assigned for use in the network shown in the graphic. Using VLSM, which bit mask should be used to provide for the number of host addresses required on Router A, while wasting the fewest addresses?

/31

/30

/29

/28

/27

/26




16
Which of the following is considered a limitation of RIP v1?

RIP v1 does not send subnet mask information in its updates.

RIP v1 is not widely supported by networking hardware vendors.

RIP v1 consumes excessive bandwidth by multicasting routing updates using a Class D address.

RIP v1 requires enhanced router processors and extra RAM to function effectively.

RIP v1 does not support load balancing across equal-cost paths.

RIP v1 authentication is complicated and time-consuming to configure.



17



An additional subnet is required for a new Ethernet link between Router1 and Router2 as shown in the diagram. Which of the following subnet addresses can be configured in this network to provide a maximum of 14 useable addresses for this link while wasting the fewest addresses?

192.1.1.16/26

192.1.1.96/28

192.1.1.160/28

192.1.1.196/27

192.1.1.224/28

192.1.1.240/28



18
Which of the following problems does VLSM help to alleviate?

the shortage of IP addresses

the difficulty of assigning static IP addresses to hosts in large enterprises

the complexity of implementing advanced routing protocols such as OSPF and EIGRP

the shortage of network administrators qualified in the use of RIP v1 and IGRP



19
Which subnet mask is represented by the /21 notation?

255.255.224.0

255.255.248.0

255.255.252.0

255.255.240.0



20
What is the default network mask for a Class B address?

255.0.0.0

255.255.0.0

255.255.255.0

255.255.255.255