Free Practice Questions for Cisco 350-701 Exam

Explanation

Explanation

A teardrop attack is a denial-of-service (DoS) attack that involves sending fragmented packets to a target

machine. Since the machine receiving such packets cannot reassemble them due to a bug in TCP/IP

fragmentation reassembly, the packets overlap one another, crashing the target network device. This generally happens on older operating systems such as Windows 3.1x, Windows 95, Windows NT and versions of the Linux kernel prior to 2.1.63.

 The monitoring agent uses the RTP (Real-time Transport Protocol) performance metric to collect and output packet loss and jitter information. RTP is a network protocol used for delivering audio and video over IP networks. It provides mechanisms for timestamping, sequence numbering, and delivery monitoring, which allow for the measurement of packet loss and jitter. RTP is specifically designed for real-time multimedia streaming applications, which are more sensitive to changes in the transmission characteristics of data networks than other applications. Therefore, RTP performance is a suitable metric for monitoring and collecting packet loss and jitter information.

The other options are not directly related to measuring packet loss and jitter. TCP (Transmission Control Protocol) is a transport protocol that ensures reliable and ordered delivery of data, but it is not typically used for real-time multimedia applications. WSAv (Web Security Virtual Appliance) is a Cisco solution for web security, but it does not measure packet loss and jitter. AVC (Application Visibility and Control) is a technology that monitors and controls network applications, but it does not focus on packet loss and jitter. References :=

Measuring Delay, Jitter, and Packet Loss with Cisco IOS SAA and RTTMON1

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.02

Cisco 350-701: Which metric used by monitoring agent to collect and output packet loss and jitter information?

Cisco DNA Center APIs are RESTful APIs that allow you to automate and operate your network at scale, using Python scripts or other tools. They are not Cisco proprietary, as they follow the OpenAPI specification and can be accessed by any client that supports HTTP requests. They do not require Postman, although Postman is a useful tool to test and explore the API endpoints. They can quickly provision new devices by applying predefined templates and workflows, and they can view the overall health of the network by retrieving metrics and alerts from various sources. References :=

Cisco DNA Center Platform - Cisco DevNet

Introduction to Cisco DNA Center REST APIs - Cisco DevNet Learning Labs

Cisco DNA Center Platform User Guide, Release 2.3.4

https://www.cisco.com/c/dam/en/us/products/collateral/security/cognitive-threat-analytics/at-a-glance-c45-736555.pdf

https://www.cisco.com/c/en/us/td/docs/security/wsa/wsa11-0/user_guide/b_WSA_UserGuide/b_WSA_UserGuide_chapter_01101.html Policy Order The order in which policies are listed in a policy table determines the priority with which they are applied to Web requests. Web requests are checked against policies beginning at the top of the table and ending at the first policy matched. Any policies below that point in the table are not processed. If no user-defined policy is matched against a Web request, then the global policy for that policy type is applied. Global policies are always positioned last in Policy tables and cannot be re-ordered.

3DES is a symmetric-key block cipher that applies the DES algorithm three times to each data block. It was developed to improve the security of DES, which has a small key size and is vulnerable to brute-force attacks. 3DES encrypts traffic by using three different keys, each 56 bits long, to perform three rounds of encryption on the plaintext. The encryption process can be described as follows:

Encrypt the plaintext with the first key (K1).

Decrypt the result with the second key (K2).

Encrypt the result again with the third key (K3).

The final ciphertext is the output of the third encryption. The decryption process is the reverse of the encryption process, using the same keys in reverse order:

Decrypt the ciphertext with the third key (K3).

Encrypt the result with the second key (K2).

Decrypt the result again with the first key (K1).

The final plaintext is the output of the third decryption. 3DES is more secure than DES because it uses a longer effective key length of 168 bits (56 x 3), which makes brute-force attacks more difficult. However, 3DES is also slower than DES because it requires three times more computations. Moreover, 3DES has some weaknesses, such as the meet-in-the-middle attack, which can reduce the effective key length to 112 bits. Therefore, 3DES is not recommended for new applications and has been deprecated by NIST since 201712

References := 1: NIST Special Publication 800-67 Revision 2 Recommendation for the Triple Data Encryption Algorithm (TDEA) Block Cipher 2: What is 3DES encryption and how does DES work? | Comparitech

To connect Cisco Secure Workload to external orchestrators at a client site where incoming connections are not allowed, a reverse tunnel must be used. A reverse tunnel initiates the connection from the inside of the client ' s network out to the external orchestrator, thereby bypassing restrictions on incoming connections and enabling secure communication.

The aaa server radius dynamic-author command enables authentication, authorization, and accounting (AAA) globally on the device so that Change of Authorization (CoA) is supported. CoA is a feature that allows an external AAA server to dynamically change the attributes of a user session after it is authenticated. For example, the AAA server can send a CoA request to reauthenticate a user, terminate a session, or apply a new policy. The aaa server radius dynamic-author command specifies the IP address and port number of the device that listens for CoA requests from the AAA server. The command also configures the shared secret key that is used to encrypt the communication between the device and the AAA server12. References := 1: Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Securing Networks with Cisco Firepower Next Generation Firewall, Lesson 3.2: Deploying Cisco Firepower Next-Generation Firewall, Topic 3.2.2: Cisco Firepower NGFW Device Management 2: Authentication, Authorization, and Accounting Configuration Guide, Cisco IOS Release 15SY - RADIUS Change of Authorization [Support] - Cisco3

A federated cloud connects independently administered cloud environments so participating organizations can share selected resources while retaining control over their own infrastructure, policies, security boundaries, and sensitive data. This model fits the hospitals because each institution must preserve local governance and keep patient records on-premises while participating in a scalable collaborative environment. A private cloud serves one organization and does not inherently support federation among autonomous hospitals. A public cloud offers scalability but reduces direct institutional control over infrastructure and data placement. A hybrid cloud combines private or on-premises resources with public cloud services, but it does not by itself provide the cross-organizational federation and independent policy administration emphasized in the scenario. Therefore, federated cloud is the most complete match. Cisco SCOR course overview

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A serverless application is one that does not require the developer to manage the underlying infrastructure or servers. Instead, the application code is executed by a cloud provider in response to events or triggers, such as HTTP requests, database changes, or messages. The cloud provider automatically provisions, scales, and manages the resources needed to run the code, and charges only for the time and resources consumed by the execution. A serverless application runs from an ephemeral, event-triggered, and stateless container that is fully managed by a cloud provider. This means that the container is created on demand when an event occurs, and is destroyed when the execution is completed. The container does not store any persistent state or data, and is isolated from other containers. The cloud provider handles the load balancing, fault tolerance, security, and monitoring of the container. A serverless application can leverage various cloud services, such as databases, storage, messaging, analytics, and machine learning, to perform complex tasks and functionalities. Serverless computing is a cloud-native development model that enables developers to focus on the business logic and deliver faster and more scalable applications. References:

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 8: Cloud and Virtual Network Security, Lesson 8.1: Cloud Computing Concepts

What is serverless? - Red Hat

Serverless computing and applications | Microsoft Azure

 Cisco Cloudlock is a cloud-native security solution that secures public, private, hybrid, and community clouds. It provides visibility, compliance, threat protection, and data security for cloud applications and environments. Cisco Cloudlock integrates with various cloud platforms and services, such as AWS, Azure, Google Cloud, Office 365, Salesforce, Dropbox, and more. Cisco Cloudlock monitors user activities, configurations, and sensitive data across the cloud, and alerts or blocks any violations of policies or regulations. Cisco Cloudlock also leverages user and entity behavior analytics (UEBA) to detect and respond to anomalous or malicious behaviors in the cloud. Cisco Cloudlock helps organizations protect their cloud assets and data, while enabling them to embrace the benefits of cloud computing. References :=

Cloud and Application Security - Cisco

Cloud Security Products and Solutions - Cisco

What Is Cloud Security? - Cisco

[Cisco Cloudlock: Cloud-Native CASB and Cloud Cybersecurity Platform]

Explanation

Cisco‘s Group Encrypted Transport VPN (GETVPN) introduces the concept of a trusted group to eliminate

point-to-point tunnels and their associated overlay routing. All group members (GMs) share a common security

association (SA), also known as a group SA. This enables GMs to decrypt traffic that was encrypted by any

other GM.

GETVPN provides instantaneous large-scale any-to-any IP connectivity using a group IPsec security paradigm.