Free Practice Questions for Cisco 350-701 Exam

Explanation

Explanation

Denial-of-service (DDoS) aims at shutting down a network or service, causing it to be inaccessible to its

intended users.

The Smurf attack is a DDoS attack in which large numbers of Internet Control Message Protocol (ICMP)

packets with the intended victim’s spoofed source IP are broadcast to a computer network using an IP

broadcast address.

To deploy Cisco WSA in transparent mode, the configuration component that must be used is WCCP on switch. WCCP stands for Web Cache Communication Protocol, which is a protocol that allows a network device (such as a switch) to redirect web traffic to a proxy server (such as Cisco WSA) transparently. This means that the client does not need to configure any proxy settings on the browser, and the proxy server can intercept and process the web requests and responses without the client’s knowledge. WCCP can also provide load balancing and failover capabilities for multiple proxy servers.

The other options are incorrect because they are not required or relevant for transparent mode deployment. Option A is incorrect because MDA (Multilink PPP Dial Access) is a feature that allows multiple physical links to be aggregated into a single logical link for dial-up connections. It has nothing to do with transparent mode. Option B is incorrect because PBR (Policy-Based Routing) is a feature that allows routing decisions to be based on criteria other than the destination IP address, such as source IP address, protocol, port, etc. It is not necessary for transparent mode, as WCCP can handle the traffic redirection. Option D is incorrect because DNS resolution on Cisco WSA is not a configuration component, but a function that allows the proxy server to resolve domain names to IP addresses. It is not specific to transparent mode, as it is also used in explicit mode. References:

What is the difference between transparent and forward proxy mode?

User Guide for AsyncOS 12.7 for Cisco Web Security Appliances - LD (Limited Deployment) - Acquire End-User Credentials

Cisco WSA : Is it possible to use web proxy in transparent mode without WCCP?

 Cisco Stealthwatch is the only solution that detects threats across your private network, public clouds, and encrypted traffic. It uses network telemetry and advanced behavioral analytics to monitor network activity and identify anomalies that indicate potential threats. It also leverages Cisco Encrypted Traffic Analytics (ETA) to detect malware in encrypted traffic without decryption. Cisco Stealthwatch provides visibility, threat detection, and response across your entire network and cloud environment1234 References := 1: Cisco Stealthwatch detects threats across private networks, public clouds, and encrypted traffic - Cisco Blogs 2: The XDR Solution to the Ransomware Problem - Cisco Blogs 3: Network Threat Detection and Response with Cisco Stealthwatch - Locuz 4: Cisco Secure Network Analytics (Stealthwatch) - Cisco

Defanging is the process of modifying a URL in a message to prevent it from being clickable. This can help protect users from malicious links that have a low URL reputation score. Defanging is one of the actions that can be configured in the Incoming Content Filter on the Cisco ESA. The other actions are Quarantine, FilterAction, and ScreenAction. Quarantine sends the message to a quarantine area for further inspection. FilterAction applies a predefined action such as drop, bounce, or deliver. ScreenAction displays a warning message to the user before allowing them to access the URL. Defanging is the only action that disables the links in the message without affecting the delivery or visibility of the message12. References: 1: URL Filtering on the Cisco IronPort ESA – Mikail’s Blog 2: Configure URL Filtering for Secure Email Gateway and Cloud Gateway - Cisco

The Cisco WSA can participate in the Cisco SensorBase Network, which is a threat management database that collects and shares data from Cisco security products. By participating in the SensorBase Network, the WSA can receive web reputation scores and URL categories for the requested web content, and also contribute data to improve the accuracy and efficacy of the service. The data that the WSA sends to the SensorBase Network servers includes information about request attributes and how the appliance handles requests. However, to protect the privacy and confidentiality of the users and the organization, the WSA does not send the complete URL, but only the summarized server-name information and the MD5-hashed path information. The MD5 hash is a one-way encryption algorithm that converts the path information into a fixed-length string that cannot be reversed. This way, the SensorBase Network can identify the URL without revealing the actual content or parameters of the request. The WSA also does not send any personal or confidential information such as usernames and passwords, or any information about HTTPS transactions, except for the IP address, web reputation score, and URL category of the server name in the certificate. The SensorBase Network Participation is enabled by default, but it can be disabled by the administrator if desired123. References: 3: Web Base Network Participation (WBNP) and Sender Base Network Participation (SBNP) - Cisco 2: User Guide for AsyncOS 15.0 for Cisco Secure Web Appliance - GD (General Deployment) - Introduction 1: User Guide for AsyncOS 12.0 for Cisco Web Security Appliances - GD (General Deployment) - Introduction

Patching helps to mitigate vulnerabilities by applying fixes or updates to software or firmware that have known security flaws. Vulnerabilities can be exploited by cybercriminals to compromise the confidentiality, integrity, or availability of the IT systems and data. Patching endpoints consistently reduces the risk of cyberattacks and data breaches by closing the gaps that attackers can use to gain unauthorized access or cause damage. Patching also improves the performance and functionality of the IT systems by addressing bugs or errors12.

Option B is the correct answer, as it explains the main benefit of patching endpoints consistently. Option A is incorrect, as patching does not necessarily reduce the attack surface of the infrastructure, which is the total number of possible entry points for an attacker. Patching only addresses the existing vulnerabilities in the software or firmware, but does not eliminate the attack surface itself. Option C is incorrect, as patching is not always required per the vendor contract, although some vendors may provide support or incentives for patching. Option D is incorrect, as patching does not allow for creating a honeypot, which is a decoy system that is intentionally left vulnerable to lure and trap attackers. References: Patch Management Overview, Challenges, and Recommendations. Patch Management Explained: Challenges, Best Practices & Steps.

Option B is the only offered configuration that combines network-location awareness, pre-logon operation, and device-based credentials. Trusted Network Detection identifies whether the endpoint is on the trusted corporate network and can initiate the VPN when the network is untrusted. Start Before Login makes Cisco Secure Client available before Windows logon, while machine-certificate authentication uses the computer identity rather than credentials belonging to a signed-in user. Cached domain credentials do not provide certificate-based device authentication. Options A and D specify user certificates, which are unavailable before a user context exists and therefore contradict the unattended device-authentication requirement. Although a Management VPN tunnel is designed for transparent pre-logon connectivity, Cisco documentation states that it supports only machine-store certificate authentication, so option A is invalid as written. Cisco Secure Client Administrator Guide

Explanation

Explanation

To let FMC manages FTD, first we need to add manager from the FTD and assign a register key of your

choice. The command configure manager add 1.1.1.2 the_registration_key_you_want, where 1.1.1.2 is the IP

address of the FMC, you need to use the same registration key in FMC when adding this FTD as a managed

device.

The RAT (Recipient Access Table) is the list that contains the allowed recipient addresses on the Cisco ESA. The RAT controls whether the ESA accepts or rejects messages to a recipient address based on the sender group and the mail policy. The RAT can be configured to allow, relay, or reject messages to specific recipients or domains. The RAT can also be used to apply different message filters or content filters to different recipient groups12. References: 1: Implementing and Operating Cisco Security Core Technologies (SCOR) course, Module 2: Network Security, Lesson 3: Deploying Cisco Email Security Appliance, Topic: Configuring Mail Policies2: Cisco Email Security Appliance User Guide, Release 13.5 - Configuring Mail Policies [Cisco Secure Email Gateway] - Cisco.

NAT exemption is required because the packet capture proves that the protected private traffic is being translated before IPsec processing. That changes the source address so the packet no longer matches the configured interesting-traffic selectors, preventing it from entering the intended security association. Cisco’s Secure Firewall NAT guidance states that traffic crossing a site-to-site VPN must be exempted from interface NAT rules; otherwise, it can be dropped or routed outside the tunnel. An identity NAT/NAT-exemption rule matching the local and remote subnet pair preserves the original addresses. The IKEv2 proposal, preshared key, transform set, access policy, and crypto-map placement are already validated. Fragmentation does not correct address translation, and neither a new tunnel group nor a prefilter attachment resolves the selector mismatch shown in the capture.

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Multifactor authentication (MFA) is a security measure that requires two or more proofs of identity to grant access to a resource, such as a username and password, a one-time code, a smart card, etc.1 MFA provides stronger protection than single-factor authentication (SFA), which only requires one proof of identity, such as a password. SFA can be compromised more easily by attackers who can guess, steal, or intercept passwords, or use phishing or social engineering techniques to trick users into revealing their credentials. MFA adds an extra layer of security that makes it harder for attackers to gain access, even if they have the password. MFA can also prevent unauthorized access from lost or stolen devices, as the attacker would need another factor to authenticate. MFA can also deter attackers from targeting an organization, as they would need to invest more time and resources to bypass the security measures. Therefore, organizations should migrate to a multifactor authentication strategy to enhance their security posture and protect their data and assets. References := 1: What is Multi-Factor Authentication (MFA)? - Auth0

Explanation

Explanation

A Directory Harvest Attack (DHA) is a technique used by spammers to find valid/existent email addresses at a domain either by using Brute force or by guessing valid e-mail addresses at a domain using different

permutations of common username. Its easy for attackers to get hold of a valid email address if your

organization uses standard format for official e-mail alias (for example: jsmith@example.com). We can

configure DHA Prevention to prevent malicious actors from quickly identifying valid recipients.

Note: Lightweight Directory Access Protocol (LDAP) is an Internet protocol that email programs use to look up contact information from a server, such as ClickMail Central Directory. For example, here’s an LDAP search translated into plain English: “Search for all people located in Chicago who’s name contains “Fred” that have an email address. Please return their full name, email, title, and description.

 To configure the Cisco ASA via ASDM for SNMPv3, the administrator needs to perform two main tasks: specify an SNMP user group and add an SNMP USM entry. An SNMP user group defines the access level and security model for a group of SNMP users. An SNMP USM entry defines the authentication and encryption parameters for a specific SNMP user. These two tasks are required for SNMPv3 because it uses a user-based security model (USM) that provides secure access to the MIB objects. SNMPv3 does not use a community string, which is a shared password used by SNMPv1 and SNMPv2c. The SNMP manager and UDP port are optional parameters that can be specified to customize the SNMP communication. The SNMP host access entry is also optional and can be used to restrict the access of SNMP hosts to specific interfaces or networks. References :=

Some possible references are:

SNMP Configuration, Verification and Troubleshooting on ASA

How to configure SNMP v3 on Cisco Switch, Router, ASA, Nexus

SNMP Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3850 Switches)

The target in a phishing attack is the endpoint, which is the device or system that the user interacts with, such as a computer, smartphone, or tablet. Phishing attacks aim to steal or damage sensitive data by deceiving people into revealing personal information like passwords and credit card numbers, or clicking on malicious links or attachments that can install malware on the endpoint. Phishing attacks can be delivered through various channels, such as email, phone, or text message, but they all rely on social engineering techniques to manipulate the user’s trust and curiosity. By compromising the endpoint, attackers can gain access to the user’s accounts, files, network, or other resources. Therefore, endpoint security is essential to prevent phishing attacks and protect the user’s data and identity. References:

What Is a Phishing Attack? Definition and Types - Cisco

8 types of phishing attacks and how to identify them

What Is Phishing? | Microsoft Security

Phishing | What Is Phishing?