Category Archives: Modul 4

4.0 Final Cevaplari

    1Which of the following describes the roles of devices in a WAN? (Choose three.) *** A CSU/DSU terminates a digital local loop. A modem terminates a digital local loop. A CSU/DSU terminates an analog local loop. *** A modem terminates an analog local … Continue reading

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4.0 Practice Final Cevaplari

1A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP for this network can only supply five public IPs. What can be used to accomplish this task? routable translation dynamic translation static … Continue reading

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4.0 Voucher Cevaplari

Not : Bu cevaplari aynen gecirirseniz alacaginiz puan %80  dir.What is accomplished by segmenting a LAN with a bridge? *increase large collision domains reduce large collision domains reduce small broadcast domains increase small broadcast domains 2 How many Telnet sessions … Continue reading

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4.1 Quiz Cevaplari

1What is the default number of pings issued by a DHCP server to a pool address before sending the DHCPOFFER to a client? one *** two three four five    2 Refer to the graphic. Which command would allow the router to forward DHCP broadcasts from Host … Continue reading

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4.2 Quiz Cevaplari

     1Which statements are correct regarding ATM connections? (Choose two.) uses only PVCs *** is useful for video transfers *** has data rates beyond 155 Mbps cells have 32 byte payload and a 5 byte overhead mandates single virtual circuits on a single leased line … Continue reading

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4.3 Quiz Cevaplari

How did Cisco alter the HDLC encapsulation to allow a single link to carry multiple protocols? split the transmissions into multiple channels each carrying a single protocol identified the protocol in the FCS field compressed the datagrams differently for each protocol *** added a … Continue reading

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4.4 Quiz Cevaplari

1Why must routers be configured to specify the ISDN switch type? *** Switches use various implementations of Q.931. The IOS of most routers lacks the ability to autosense the switch. The switch must know what type of router it is communicating with. The Layer … Continue reading

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4.5 Quiz Cevaplari

Which data link layer protocol is used to carry frames across a Frame Relay link? HDLC PPP LAPD *** LAPF Frame RelayWhich of the following statements are true about a basic Frame Relay WAN connection between a customer and the service provider? (Choose two.) *** DTE … Continue reading

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4.6 Quiz cevaplari

1Which statements are true regarding configuring SNMP? (Choose three.) It is best to use the default read-only community strings in enterprise networks. *** It is not advisable to use the default read-write community string in an enterprise network. *** More than one read-only … Continue reading

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1.1.3 NAT’in ve PAT’in Genel Ozellikleri

NAT(translations) tercümeleri bir çok çeşit amaç için kullanılabilir. İster Dinamik ister statik(durgun) olarak ayarlanabilir. Static NAT local ve global adresleri birebir eşleyebilmek için dizayn edilmiştir. Biliyorsunuz ki NAT kullanıldıgı zaman internetten birisi NAT’ın altındaki hostların ip adreslerini göremez. Ancak Statik … Continue reading

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1.1.1 Private(ozel) Adresleme

RFC 1918, üç farklı private adres bloğu belirlemiş durumdadır. 1 tane Class A adres, 16 Class B adres  ve 256 Class C adres blogu.Bu adresler private yani özel kullanımlara ayrılmıştır. Bu IP lerle internette dolaşamazsınız. Sadece kendi yerel networkunuzde gezinebilirsiniz. … Continue reading

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1.1.2 NAT ve PAT (giris)

  NAT ve PAT (giriş)NAT’ın görevi genel olarak sizin yerel networkunuzde sahip oldugunuz özel yani private IP adresinizi tercüme edip routable yani yonlendirilebilir PUBLIC ip adresine çevirmektir. Bu Teknolojiyi kullanabilmemiz için kullandığımız inter-network cihazımızın içinde NAT yazılımı olması gereklidir. NAT … Continue reading

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