Router/bridge-based firewalls:

Describe a DNS cache poisoning attack via ID guessing. Explain why DNS is particularly vulnerable (mention UDP, lack of authentication, and spoofing) and name one real-world consequence of successful poisoning.

In Role-Based Access Control (RBAC), permissions are assigned to

IPSec provides security at which layer?

Domain lowering with document.domain works only for:

Explain what a firewall is and its key characteristics. Describe the difference between packet-filtering firewalls and application gateways, including one advantage and one limitation of each.

Mike Mechanic, the owner of Prairie Snowblowers, Inc. wants to initiate a plan of growth for his 50-year old company.   His company is in a maturity phase and is the #2 snowblower company in Canada. He can achieve growth one of two ways:  relocating their mid-sized manufacturing company to China, or keep their manufacturing base at its current location in Red Deer, AB.    Please provide Mike four (4) pros and cons for each option, and state which option you think he should pursue (with supporting statements).

Name a number between 1 and 3 _______

The politician’s speech was so _______ that even her campaign staff had difficulty identifying her actual policy positions, despite her previous reputation for directness.

History of Present Illness: 67 y/o M with significant past history for recurrent foot ulcers, prior left 2nd toe amputation (6wks post op), right lower extremity stent placement (2016). Patient had a lower extremity angiogram showing significant disease. Patient was admitted for planned lower extremity revascularization procedure, underwent right femoral to popliteal bypass. Post op course was complicated by diabetic ketoacidosis and acute kidney injury. Patient had c/o nausea, vomiting, hemoglobin dropped to 7.0 from 13.0 pre- op and was transfused. Telemetry showed ST depression, Left Bundle Branch Block (LBBB), elevated Troponin so patient then underwent a Left Heart Catheterization (LHC), had a percutaneous coronary intervention (PCI) received stent to LAD, patient recovered well, troponin trended down, kidney function returned with normalizing serum creatinine.  Past Medical History: Diabetes Mellitus, Hyperlipidemia, Hypertension, Peripheral arterial disease, TIA Past Surgical History Shoulder surgery (2015), LLE atherectomy and stent placement (2016), Left foot 2nd toe amputation (6 weeks ago) Social History: Former smoker of 1PPD x20 years, quit in 1999. Patient is married, lives with his spouse who can assist him as needed. Living Environment: Patient lives in a single-story house, no steps to enter, patient has built in ramp. Patient has walk in shower with grab bars and shower chair. Owns RW, W/C. Prior Level of Function: Patient was limited distance ambulator due to ongoing LE pain /claudication with ambulation. Patient was ambulating with RW and heel strike shoe since left foot 2nd toe amputation. Patient was using wheel chair for distances over 100′ due to claudication and fatigue. Patient goal: To be able to walk, feel better and stronger. Patient is willing to participate in a regular exercise program to improve fitness. Medications: Aspirin  81mg daily Lisinopril 5mg tab daily Metoprolol  25 mg bid Insulin  100 units/ml, 5-22 units on sliding scale ( 6 times a day) Acetaminophen 650 mg) tab every 4 hr as needed, Atorvastatin 20 mg once day. Labs  Pre Surgery POD 1 POD 3 WBCs (3.5 – 10.5 billion cells/L) 13.43 11.90 12.11 HGB (13.5- 17.5 gm/dl) 13 7.0 10.0 HCT (38.8- 50%) 32.3 31.8 31.5 CREATININE (0.6- 1.3 mg/dl) 2.0 3.0 2.5 TROPONINE (