A security analyst is hardening a web server that only host and run web service, which of following ports and protocols should be enabled? a IMAP over port 143 b Telnet over port 23 c FTP over port 21 d HTTPS over port 443
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MCQ
A security analyst is hardening a web server that only host and run web service, which of following ports and protocols should be enabled?
| a |
IMAP over port 143 |
|
| b |
Telnet over port 23 |
|
| c |
FTP over port 21 |
|
| d |
HTTPS over port 443 |
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- As a consequence of which of the following layer 2 attacks, legitimate users will be denied access to their assigned IP addresses? O a. DHCP hunger O b. MAC address flooding O c. DHCP spoofing O Spoofing of ARP (d)Tobias wants to know more about software-defined networking, which separates the data plane from the control plane. Which of the following does not exist on the data plane? a. Firewall b. Application layer switch c. Routing d. Ethernet switch Alessio is evaluating the security of the virtual environment being used at your organization. Which of the following is a concern that Alessio should have? a. All hypervisors have the necessary security controls to keep out attackers. b. A VM can be used to test for potential malware. c. A snapshot of a VM's state can be saved for later use. d. Traditional security tools do not always adapt well to multiple VMs.Which of the following protocols can detect and correct link failures in milliseconds? a. TRILL b. SPB c. RSTP d. CARP Valentina is employed under the network management team at Iris Global Services, which is a software management firm. Following a recent hacking attempt at its office, the network administrator wants her to cross-check whether security precautions have been enabled on the STP interfaces so that the information transmitted by the BPDUs can be protected. On inspection, she discovers that the security precautions have not been configured. Analyze what Valentina should do in order to prevent a rogue switch or computer connected to one of these ports from hijacking the network's STP paths. a. Use the shutdown command to disable unused ports b. Use a root guard on the switches c. Use a BPDU filter to disable STPs d. Use a BPDU guard to block BPDUs You already have a running network in your organization, but…
- Which of these layer 2 attacks will prevent a genuine user from acquiring an IP address? O a DHCP starvation O b DHCP spoofing O c MAC address flooding O c. Spoofing of ARPCiara wants to connect to her corporate network from home using a private and secure connection to be private and secure. She wants the most secure option available. Which of the following VPN protocols would you recommend? a. IPsec/TLS b. L2TP/TLS c. PPTP d. L2TP/IPsec Luz is verifying that port security has been correctly configured on all of the switches in the organization. Which of the following is not one of the attacks he is trying to prevent? a. ARP poisoning b. MAC flooding c. DHCP snooping d. MAC address spoofing DDoS attacks are a major concern of any organization. What is one of the best options to stop a DDoS attack and simultaneously collect data on the attack? a. Honeynet b. Proxy server c. Honeypot d. Sinkholes Security devices are only as good as their configurations. A misconfigured device provides a false sense of security and potentially creates vulnerabilities that didn't exist prior to…Which layer 2 attacks can result in the denial of access to assigned IP addresses for legitimate users? The phenomenon of DHCP depletion MAC address flooding is a technique used in computer networking to overwhelm a switch's MAC address table. The topic of discussion is DHCP spoofing and ARP spoofing.
- You are investigating Network & Application layer attacks: Give three attack types in which hackers can leverage ICMP protocol? By crafting the IP header, and manipulating the ICMP message types, explain how hackers can use ICMP to conduct a DDoS attack (Amplification & Reflection). You work as a security analyst for a company having com.lb as domain name. You have inspected your firewall logs and found out that an infected PC was communicating with the below domain: u83ccf36d9f02e9ea79a9d16c0336677e4.to What type of DNS attack technique do you suspect the Malware is using? You have inspected your DNS entries and found out that the below DNS entry was added to your authoritative DNS server, without your permission: 6tR430-11Z.retail.com.lb What type of DNS attack technique is used in this security incident?Which Scopes in a DHCP server is used to provide IPV4 address pools to Class A, B, and C networks, and contains an IP address range assignment that includes the subnet mask, as well as exclusions and reservations? Super Scopes, I bow to your illustriousness; you make the Ordinary Perceptions Scopes of Multicast Scopes of Failure seem like amateurs.Which Scopes in a DHCP Server is used to offer IPV4 address pools for Class A, B, and C networks and contains an IP address range assignment that includes the subnet mask, exclusions, and reservations? * Standard Opinions Scopes for Failover Greetings Multicast Scopes, Super Scopes
- Which of the following layer 2 attacks will prevent an authorized user from receiving a lawful IP address? A MAC address flood B DHCP starvation O C DHCP spoofing O ARP spoofing d.Which Scopes is used in a DHCP Server to allocate IPV4 address pools for Class A, B, and C networks, and contains an IP address range assignment that includes the subnet mask, as well as exclusions and reservations? * Ordinary Perceptions Scopes of Multicast Scopes of Failure Super Scopes, I salute you.You are troubleshooting an issue and you think that it is a problem with the DHCP server configuration. Client get an IP address, they can ping IP addresses on the same network and on the internet, but they cannot pull up webpages. What is a likely cause of misconfiguration on the DHCP server? a.) incorrect ntp server b.) incorrect dns server c.) incorrect gateway d.) incorrect subnet mask
