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2021 Dec 312-50v8 cost:
Q371. Your company has blocked all the ports via external firewall and only allows port 80/443 to connect to the Internet. You want to use FTP to connect to some remote server on the Internet. How would you accomplish this?
A. Use HTTP Tunneling
B. Use Proxy Chaining
C. Use TOR Network
D. Use Reverse Chaining
Answer: A
Q372. Peter, a Network Administrator, has come to you looking for advice on a tool that would help him perform SNMP enquires over the network. Which of these tools would do the SNMP enumeration he is looking for?
Select the best answers.
A. SNMPUtil
B. SNScan
C. SNMPScan
D. Solarwinds IP Network Browser
E. NMap
Answer: ABD
Q373. Which of the following display filters will you enable in Ethereal to view the three-way handshake for a connection from host 192.168.0.1?
A. ip == 192.168.0.1 and tcp.syn
B. ip.addr = 192.168.0.1 and syn = 1
C. ip.addr==192.168.0.1 and tcp.flags.syn
D. ip.equals 192.168.0.1 and syn.equals on
Answer: C
Q374. Samantha was hired to perform an internal security test of XYZ. She quickly realized that all networks are making use of switches instead of traditional hubs. This greatly limits her ability to gather information through network sniffing.
Which of the following techniques can she use to gather information from the switched network or to disable some of the traffic isolation features of the switch? (Choose two)
A. Ethernet Zapping
B. MAC Flooding
C. Sniffing in promiscuous mode
D. ARP Spoofing
Answer: BD
Q375. Charlie is the network administrator for his company. Charlie just received a new Cisco router and wants to test its capabilities out and to see if it might be susceptible to a DoS attack resulting in its locking up. The IP address of the Cisco switch is 172.16.0.45. What command can Charlie use to attempt this task?
A. Charlie can use the commanD. ping -l 56550 172.16.0.45 -t.
B. Charlie can try using the commanD. ping 56550 172.16.0.45.
C. By using the command ping 172.16.0.45 Charlie would be able to lockup the router
D. He could use the commanD. ping -4 56550 172.16.0.45.
Answer: A
Up to the minute 312-50v8 cost:
Q376. You visit a website to retrieve the listing of a company's staff members. But you can not find it on the website. You know the listing was certainly present one year before. How can you retrieve information from the outdated website?
A. Through Google searching cached files
B. Through Archive.org
C. Download the website and crawl it
D. Visit customers' and prtners' websites
Answer: B
Q377. Michael is a junior security analyst working for the National Security Agency (NSA) working primarily on breaking terrorist encrypted messages. The NSA has a number of methods they use to decipher encrypted messages including Government Access to Keys (GAK) and inside informants. The NSA holds secret backdoor keys to many of the encryption algorithms used on the Internet. The problem for the NSA, and Michael, is that terrorist organizations are starting to use custom-built algorithms or obscure algorithms purchased from corrupt governments. For this reason, Michael and other security analysts like him have been forced to find different methods of deciphering terrorist messages. One method that Michael thought of using was to hide malicious code inside seemingly harmless programs. Michael first monitors sites and bulletin boards used by known terrorists, and then he is able to glean email addresses to some of these suspected terrorists. Michael then inserts a stealth keylogger into a mapping program file readme.txt and then sends that as an attachment to the terrorist. This keylogger takes screenshots every 2 minutes and also logs all keyboard activity into a hidden file on the terrorist's computer. Then, the keylogger emails those files to Michael twice a day with a built in SMTP server. What technique has Michael used to disguise this keylogging software?
A. Steganography
B. Wrapping
C. ADS
D. Hidden Channels
Answer: C
Q378. The fundamental difference between symmetric and asymmetric key cryptographic systems is that symmetric key cryptography uses which of the following?
A. Multiple keys for non-repudiation of bulk data
B. Different keys on both ends of the transport medium
C. Bulk encryption for data transmission over fiber
D. The same key on each end of the transmission medium
Answer: D
Q379. Why would an ethical hacker use the technique of firewalking?
A. It is a technique used to discover wireless network on foot.
B. It is a technique used to map routers on a network link.
C. It is a technique used to discover the nature of rules configured on a gateway.
D. It is a technique used to discover interfaces in promiscuous mode.
Answer: C
Q380. While examining audit logs, you discover that people are able to telnet into the SMTP server on port 25. You would like to block this, though you do not see any evidence of an attack or other wrong doing. However, you are concerned about affecting the normal functionality of the email server. From the following options choose how best you can achieve this objective?
A. Block port 25 at the firewall.
B. Shut off the SMTP service on the server.
C. Force all connections to use a username and password.
D. Switch from Windows Exchange to UNIX Sendmail.
E. None of the above.
Answer: E
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