Let's question paper your erudition of UDP, TCP, smurf attacks, EIGRP, and more with these questions designed to support you ferment for occurrence on your CCENT, CCNA, CCNP, Network , and Security documents exams!

CCENT Certification / Network Certification:

Which of the tailing protocols runs on some UDP and TCP?

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A. DHCP

B. SNMP

C. DNS

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D. ARP

E. Inverse ARP

Answer: C. DNS runs on waterfront 53, both on TCP and UDP.

Security Certification:

Briefly demarcate the possession "smurf attack". (Not too briefly, though!)

Answer: Basically, a smurf search involves sends ICMP Echo packets (pings) with the calculated victim's IP address mere as the basis of the Echo packets. This transmitting takes the method of a orientated broadcast, which mode that quite a few hosts can have it - and after react near ICMP Echo Replies, which will all be conveyed to the intended target.

CCNA Exam:

R1 and R3 are straight interconnected at their several Serial1 interfaces via a DTE/DCE wire. What decree will put in the picture you whether the surface is coupled to the DTE or DCE end of the cable?

Answer: Run show evidence of controller serial 1 on either trained worker - the DTE / DCE gen is near the top of the output.

CCNP Certification / BSCI Exam:

DUAL has unconcealed cardinal budding paths to a far-off network, near the ensuing metrics: PathA, 1500. PathB, 1500. PathC, 2600. PathD, 3100. What instruct will let EIGRP to use the first 3 paths in need victimisation the fourth?

Answer: variance 2 would do the job. Any towpath beside a metric of 3000 or lower will be utilized; environment it to 3 would bring PathD into the mathematical statement.

CCNP Certification / BCMSN Exam:

What is the primary intention of IEEE 802.3ac?

Answer: The IEEE 802.3ac law allows the outside carcass fundamental quantity to be elongated to 1522 bytes, which way the dot1q 4-byte header doesn't wreak teething troubles in transference.

CCNP Certification / ONT Exam:

Which queueing scheme gives superiority to interactive, low-bandwidth branch of knowledge by default?

Answer: Weighted Fair Queueing (WFQ) gives primacy to interactive, low-bandwidth conversations, and after splits the left behind bandwidth duly among the enduring conversations.

Look for a new set of Cisco and CompTIA citations exam questions soon!

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