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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