Let's exam your familiarity of UDP, TCP, smurf attacks, EIGRP, and more near these questions designed to support you infuse for glory on your CCENT, CCNA, CCNP, Network , and Security documents exams!

CCENT Certification / Network Certification:

Which of the ensuing protocols runs on both 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 dock 53, both on TCP and UDP.

Security Certification:

Briefly describe the term "smurf attack". (Not too briefly, though!)

Answer: Basically, a smurf assault involves sends ICMP Echo packets (pings) beside the deliberate victim's IP address such as the rootage of the Echo packets. This transmitting takes the contour of a directed broadcast, which money that fairly a few hosts can get it - and past answer back beside ICMP Echo Replies, which will all be transmitted to the deliberate subject.

CCNA Exam:

R1 and R3 are straight tied at their several Serial1 interfaces via a DTE/DCE overseas telegram. What order will william tell you whether the interface is tied to the DTE or DCE end of the cable?

Answer: Run exhibit businessperson sequential 1 on either skilled worker - the DTE / DCE content is nighest the top of the output.

CCNP Certification / BSCI Exam:

DUAL has discovered four latent paths to a faraway network, near the succeeding metrics: PathA, 1500. PathB, 1500. PathC, 2600. PathD, 3100. What dictate will let EIGRP to use the archetypal iii paths in need victimization the fourth?

Answer: departure 2 would do the job. Any track near a metric of 3000 or humiliate will be utilized; location it to 3 would take PathD into the mathematical statement.

CCNP Certification / BCMSN Exam:

What is the basic intention of IEEE 802.3ac?

Answer: The IEEE 802.3ac common allows the maximum frame physical property to be extended to 1522 bytes, which mode the dot1q 4-byte heading doesn't make happen snags in transmission.

CCNP Certification / ONT Exam:

Which queueing plan of action gives precedency to interactive, low-bandwidth communications by default?

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

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

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