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NEW QUESTION: 1
You have an Azure subscription that contains several virtual machines and an Azure Log Analytics workspace named Workspace1. You create a log search query as shown in the following exhibit.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.

Answer:
Explanation:

Explanation:
Box 1: 14 days
Two weeks will be covered.
Note: Startofweek returns the start of the week containing the date, shifted by an offset, if provided.
Start of the week is considered to be a Sunday.
Endofweek returns the end of the week containing the date, shifted by an offset, if provided.
Last day of the week is considered to be a Saturday.
Box 2:
The render operator renders results in as graphical output. Timechart is a Line graph, where the first column is x-axis, and should be datetime. Other columns are y-axes. In this case the Y axis has avg(CounterValue) Values.
References:
https://docs.microsoft.com/en-us/azure/azure-monitor/log-query/log-query-overview
https://docs-analytics-eus.azurewebsites.net/queryLanguage/query_language_renderoperator.html

NEW QUESTION: 2
What Cisco Catalyst switch feature can be used to define ports as trusted for DHCP server connections?
A. DHCP snooping
B. 802.1x
C. port security
D. private VLANs
Answer: A
Explanation:
Explanation/Reference:
Explanation:
DHCP snooping is used to define ports as trusted for DHCP server connections. The purpose of DHCP
snooping is to mitigate DHCP spoofing attacks. DHCP spoofing is an attack that can be used to force user
traffic through an attacking device. This is accomplished by an attacker responding to DHCP queries from
users. Eliminating the response from the correct DHCP server would make this more effective, but if the
attacker's response gets to the client first, the client will accept it.
The DHCP response from the attacker will include a different gateway or DNS server address. If they
define a different gateway, the user traffic will be forced to travel through a device controlled by the
attacker. This will allow the attacker to capture traffic and gain company information. If the attacker
changes the DNS server in the response, they can use their own DNS server to force traffic to selected
hosts to go to a device they control. Again, this would allow the attacker to capture traffic and gain
information.
DHCP snooping can be used to determine what ports are able to send DHCP server packets, such as
DHCPOFFER, DHCPACK, and DHCPNAK, from the company DHCP server. DHCP snooping can also
cache the MAC address to IP address mapping for clients receiving DHCP addresses from a valid DHCP
server.
The three required stepsto implement DHCP snooping are:
1.Enable DHCP snooping globally with the ip dhcp snooping command.
switch(config)# ip dhcp snooping
2.Enable DHCP snooping for a VLAN with the vlan parameter:
switch(config)# ip dhcp snooping vlan vlan #
(for example, ip dhcp snooping 10 12 specifies snooping on VLANs 10 and 12)
3.Define an interface as a trusted DHCP port with the trust parameter:
switch(config-if)# ip dhcp snooping trust
When specifying trusted ports, access ports on edge switches should be configured as untrusted, with the
exception of any ports that may have company DHCP severs connected. Only portswhere DHCP traffic is
expected should be trusted. Most certainly, ports in any area of the network where attacks have been
detected should be configured as untrusted.
Some additional parameters that can be used with the ip dhcp snooping command are:
switch(config)# ip dhcp snooping verify mac-address - this command enables DHCP MAC address
verification.
switch(config)# ip dhcp snooping information option allow-untrusted - this command enables untrusted
ports to accept incoming DHCP packets with option 82 information. DHCP option 82 is used to identify the
location of a DHCP relay agent operating on a subnet remote to the DHCP server.
When DHCP snooping is enabled, no other relay agent-related commands are available. The disabled
commands include:
ip dhcp relay information check global configuration command
ip dhcp relay information policy global configuration command
ip dhcp relay information trust-all global configuration command
ip dhcp relay information option global configuration command
ip dhcp relay information trusted interface configuration command
DHCP Authorized ARP can also be used to mitigate DHCP spoofing. When implemented, the server
assigns an IP address to a client and then creates a static mapping. The DHCP server then sends periodic
ARPs to clients to make sure that the clients are still active. Clients respond with an ARP reply.
Unauthorized clients cannot respond to these periodic ARPs. The unauthorized ARP responses are
blocked at the DHCP server.
Private VLANs are a method of protecting or isolating different devices on the same port and VLAN. A
VLAN can be divided into private VLANs, where some devices are able to access other devices and some
are completely isolated from others. This was designed so service providers could keep customers on the
same port isolated from each other, even if the customers had the same Layer 3 networks.
Port security is a method of only permitting specified MAC addresses access to a switch port. This can be
used to define what computer or device can be connected to a port, but not to limit which ports can have
DHCP servers connected to them.
802.1x is a method of determining authentication before permitting access to a switch port. This is useful in
restricting who can connect to the switch, but it cannot control which ports are permitted to have a DHCP
server attached to it.
Objective:
Infrastructure Security
Sub-Objective:
Configure and verify switch security features
References:
Cisco > Cisco IOS IP Addressing Services Command Reference > ip dhcp snooping
Cisco > Cisco IOS IP Addressing Services Command Reference > ip dhcp relay information option

NEW QUESTION: 3
You need to ensure that all new production Hyper-V virtual machines can be deployed correctly.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Answer:
Explanation:

Explanation