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NEW QUESTION: 1
What attack floods networks with broadcast traffic so that the network is congested?
A. Brute force
B. Teardrop
C. Spoofing
D. SMURF
Answer: D
Explanation:
SMURF attack -- This attack floods networks with broadcast traffic so that the network is congested. The perpetrator sends a large number of spoofed ICMP (Internet Control Message Protocol) echo requests to broadcast addresses hoping packets will be sent to the spoofed addresses. You need to understand the OSI model and how protocols are transferred between layer 3 and layer 2 to understand this attack. The layer 2 will respond to the ICMP echo request with an ICMP echo reply each time, multiplying the traffic by the number of hosts involved. Engineers should turn off broadcast capability (if possible in your environment) to deter this kind of attack.

NEW QUESTION: 2
実装グループは、テストベッドを使用して「概念実証」を行っています。これは、クライアント1とクライアント2の両方が209.65.200.241のWEBサーバーにアクセスすることを必要とします。ネットワークアドレス指定、ルーティングスキーム、DHCPサービス、NTPサービス、レイヤー2接続、FHRPサービス、およびデバイスセキュリティにいくつかの変更を加えた後、クライアント1が209.65.200.241アドレスにpingできないことを示すトラブルチケットが開かれました。
サポートされているコマンドを使用して、この障害の原因を特定し、次の質問に答えてください。
障害状態はどのデバイスにありますか？
A. DSW1
B. DSW2
C. R2
D. R4
E. R3
F. ASW1
G. R1
Answer: G
Explanation:
Explanation
On R1, we need to permit IP 209.65.200.222/30 under the access list.
Topic 7, Ticket 7 : Port Security
Topology Overview (Actual Troubleshooting lab design is for below network design)
* Client Should have IP 10.2.1.3
* EIGRP 100 is running between switch DSW1 & DSW2
* OSPF (Process ID 1) is running between R1, R2, R3, R4
* Network of OSPF is redistributed in EIGRP
* BGP 65001 is configured on R1 with Webserver cloud AS 65002
* HSRP is running between DSW1 & DSW2 Switches
The company has created the test bed shown in the layer 2 and layer 3 topology exhibits.
This network consists of four routers, two layer 3 switches and two layer 2 switches.
In the IPv4 layer 3 topology, R1, R2, R3, and R4 are running OSPF with an OSPF process number 1.
DSW1, DSW2 and R4 are running EIGRP with an AS of 10. Redistribution is enabled where necessary.
R1 is running a BGP AS with a number of 65001. This AS has an eBGP connection to AS 65002 in the ISP's network. Because the company's address space is in the private range.
R1 is also providing NAT translations between the inside (10.1.0.0/16 & 10.2.0.0/16) networks and outside (209.65.0.0/24) network.
ASW1 and ASW2 are layer 2 switches.
NTP is enabled on all devices with 209.65.200.226 serving as the master clock source.
The client workstations receive their IP address and default gateway via R4's DHCP server.
The default gateway address of 10.2.1.254 is the IP address of HSRP group 10 which is running on DSW1 and DSW2.
In the IPv6 layer 3 topology R1, R2, and R3 are running OSPFv3 with an OSPF process number 6.
DSW1, DSW2 and R4 are running RIPng process name RIP_ZONE.
The two IPv6 routing domains, OSPF 6 and RIPng are connected via GRE tunnel running over the underlying IPv4 OSPF domain. Redistrution is enabled where necessary.
Recently the implementation group has been using the test bed to do a 'proof-of-concept' on several implementations. This involved changing the configuration on one or more of the devices. You will be presented with a series of trouble tickets related to issues introduced during these configurations.
Note: Although trouble tickets have many similar fault indications, each ticket has its own issue and solution.
Each ticket has 3 sub questions that need to be answered & topology remains same.
Question-1 Fault is found on which device,
Question-2 Fault condition is related to,
Question-3 What exact problem is seen & what needs to be done for solution


Client is unable to ping IP 209.65.200.241
Solution
Steps need to follow as below:-
* When we check on client 1 & Client 2 desktop we are not receiving DHCP address from R4 ipconfig ----- Client will be getting 169.X.X.X
* On ASW1 port Fa1/0/ 1 & Fa1/0/2 access port VLAN 10 was assigned but when we checked interface it was showing down Sh run ------- check for running config of int fa1/0/1 & fa1/0/2 (switchport access Vlan 10 will be there with switch port security command). Now check as below Sh int fa1/0/1 & sh int fa1/0/2


* As seen on interface the port is in err-disable mode so need to clear port.
* Change required: On ASW1, we need to remove port-security under interface fa1/0/1 & fa1/0/2.
------------------------------------------------------------------------------------------------------------------------------

NEW QUESTION: 3
Click the Exhibit.

You are receiving the same route prefix from four EBGP neighbors.
Based on the information provided in the exhibit, which route will become active?
A. Route2
B. Route3
C. Route4
D. Route1
Answer: D

NEW QUESTION: 4
Which statement phrases successfully?
A. JSON.parse ( ' foo ' );
B. JSON.parse(' " foo " ');
C. JSON.parse ( " foo " );
D. JSON.parse( " ' foo ' " );
Answer: B